Liabilities / Assets
40th percentile
Higher debt load relative to assets than 40% of similar nonprofits.
History of Science Society Inc
EIN 52-6050324 • 501(c)3 • Philadelphia, PA
Profile
The society's mission is to foster interest in the history of science, promote discussion of science's social and cultural relations, and bring this understanding to others worldwide.
Siviq Scores
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
0.03x
Liabilities / Revenue
69th percentile
Higher debt load relative to revenue than 69% of similar nonprofits.
Net Margin
5th percentile
Higher net margin than 5% of similar nonprofits.
Top Officer Pay
88th percentile
Higher top officer pay than 88% of similar nonprofits.
Top officer pay equals 36.1% of source-year revenue.
Asset Growth
56th percentile
Faster asset growth than 56% of similar nonprofits.
Revenue Growth
7th percentile
Faster revenue growth than 7% of similar nonprofits.
Balance Sheet
Assets
Up$4,432,694
Up $371,451 (+9.1%) from 2023
Liabilities
Up$118,712
Up $7,554 (+6.8%) from 2023
Net Assets
Up$4,313,982
Up $363,897 (+9.2%) from 2023
Revenue
Down$518,078
Down $98,962 (-16%) from 2023
Expenses
Down$865,699
Down $11,690 (-1.3%) from 2023
Net Income
Down-$347,621
Down $87,272 (-34%) from 2023
Trend Graphs
Filings
Most recent year
2025 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.
- Assets
- $4,432,694
- Liabilities
- $118,712
- Net assets
- $4,313,982
- Revenue
- $518,078
- Expenses
- $865,699
- Net income
- -$347,621
Latest Filing Detail
Jump To
Filing Snapshot
- Filing Period
- Jul 1, 2024 to Jun 30, 2025
- Signed
- Feb 16, 2026
- Return Version
- 2024v5.5
- Gross Receipts
- $720,400
Mission and Program Overview
Mission
The society's mission is to foster interest in the history of science, promote discussion of science's social and cultural relations, and bring this understanding to others worldwide.
To foster interest, promote discussions, and convey understanding in the history of science worldwide.
Balance Sheet Detail
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Investments in Publicly Traded Securities | $4,042,791 | $4,350,826 | ▲ $308,035 |
| Cash and Non-Interest-Bearing Accounts | $64,494 | $54,332 | ▼ $10,162 |
| Prepaid Expenses and Deferred Charges | $80,069 | $22,746 | ▼ $57,323 |
| Accounts Receivable | $11,565 | $4,790 | ▼ $6,775 |
| Total Assets | $4,198,919 | $4,432,694 | ▲ $233,775 |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | $58,550 | $71,047 | ▲ $12,497 |
| Deferred Revenue | $3,329 | $47,665 | ▲ $44,336 |
| Total Liabilities | $61,879 | $118,712 | ▲ $56,833 |
| Net Assets / Fund Balance | |||
| Net Assets With Donor Restrictions | $4,257,118 | $4,328,532 | ▲ $71,414 |
| Net Assets Without Donor Restrictions | $-120,078 | $-14,550 | ▲ $105,528 |
| Total Net Assets Fund Balance | $4,137,040 | $4,313,982 | ▲ $176,942 |
| Total Liabilities and Net Assets / Fund Balance | $4,198,919 | $4,432,694 | ▲ $233,775 |
Endowment Activity
| Period | Beginning | Contrib. | Gain/Loss | Other Uses | End |
|---|---|---|---|---|---|
| 2024 | $4,225,600 | $18,683 | ▲ $480,358 | $528,364 | $4,196,277 |
| 2023 | $3,955,721 | $107,044 | ▲ $429,822 | $266,987 | $4,225,600 |
| 2022 | $4,227,133 | $113,072 | ▲ $310,843 | $695,327 | $3,955,721 |
| 2021 | $4,804,816 | $40,607 | ▼ $612,290 | $6,000 | $4,227,133 |
| 2020 | $3,761,536 | $8,103 | ▲ $1,042,659 | $7,482 | $4,804,816 |
Compensation and Service Providers
Employees
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| John Paul Gutierrez | Executive Director | FT | $175,000 | $11,944 | $186,944 |
Board Members and Trustees
| Name | Title |
|---|---|
| Evelyn Hammonds | President |
| Fa-ti Fan | President |
| Soraya De Chadarevian | Vice President |
| Adrianna Link | Director |
| Asif Siddiqi | Director |
| Beth Yale | Director |
| Elena Aranova | Director |
| Elise Burton | Director |
| Jahnavi Phalkey | Director |
| Jessica Wang | Director |
| Jia-chen Fu | Director |
| Mackenzie Cooley | Director |
| Maria Rentetzi | Director |
| Omar Nasim | Director |
| Patrick Mccray | Director |
| Prakash Kumar | Director |
| Pratik Chakrabarti | Director |
| Samantha Muka | Director |
| Matthew Shindell | Secretary |
| Emily Hamilton | Treasurer |
Revenue and Support
Revenue Composition
- Contributions and Grants
- $351,766
- Program Service Revenue
- $206,443
- Investment Income
- $-44,191
- Other Revenue
- $4,060
- All Other Contributions
- $244,124
- Change in Net Assets
- $-347,621
Audited Revenue Reconciliation
- Revenue per Audited Statements
- $518,078
- Revenue Not Reported on Financial Statements
- $0
- Revenue Not Reported on Form 990
- $524,563
- Total Revenue per Audited Statements
- $1,042,641
- Total Revenue per Form 990
- $518,078
Expenses and Functional Allocation
Major Expense Lines
| Line Item | Amount |
|---|---|
| Other Expenses | $380,892 |
| Salaries, Compensation, and Employee Benefits | $367,879 |
| Grants and Similar Amounts Paid | $116,928 |
| Total Fundraising Expense | $71,191 |
| Professional Fundraising Fees | $0 |
Functional Expense Allocation
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Current Officers, Directors, Trustees, and Key Employees | $133,086 | $36,967 | $12,682 | $182,735 |
| Other Salaries and Wages | $18,149 | $62,906 | $43,143 | $124,198 |
| Grants to Domestic Orgs | $64,189 | - | - | $64,189 |
| Grants to Domestic Individuals | $52,739 | - | - | $52,739 |
| Travel | $26,324 | $17,379 | - | $43,703 |
| Other Employee Benefits | $14,813 | $14,632 | $9,436 | $38,881 |
| Fees for Services Accounting | - | $38,570 | - | $38,570 |
| Payroll Taxes | $10,263 | $7,618 | $4,184 | $22,065 |
| Conferences and Meetings | $19,347 | - | - | $19,347 |
| Information Technology | $7,372 | $9,986 | - | $17,358 |
| Office Expenses | $13,273 | $647 | $124 | $14,044 |
| Other Expenses | $8,144 | $3,764 | - | $11,908 |
| Insurance | $3,572 | $2,361 | $1,414 | $7,347 |
| All Other Expenses | $1,671 | $1,792 | $208 | $3,671 |
| Fees for Services Legal | - | $704 | - | $704 |
| Total Functional Expenses | $582,395 | $212,113 | $71,191 | $865,699 |
Audited Expense Reconciliation
| Line Item | Amount |
|---|---|
| Expenses per Audited Statements | $865,699 |
| Total Expenses per Audited Statements | $865,699 |
| Total Expenses per Form 990 | $865,699 |
| Expenses Not Reported on Financial Statements | $0 |
| Expenses Not Reported on Form 990 | $0 |
International Activity
Grant and Assistance Recipients
| Recipient | Location | Category | Purpose | Amount |
|---|---|---|---|---|
| Philosophy of Science Association | Cincinnati, OH | 501c3 | Nsf Travel Grant Reimbursement | $16,797 |
| American Society for Environmental History | Chicago, IL | 501c3 | TO ATTEND HISTORY OF SCIENCE'S ANNUAL CONFERENCE | $13,735 |
| The International Society for the History of Philosophy of Science (hopos) | Seattle, WA | 501c3 | Sponsorships for Hss-shot Virtual Conference | $13,057 |
| American Association for the History of Medicine (aahm) | Richmond, VA | 501c3 | Reimbursement for Nsf Funded Travel Grants | $10,417 |
| Society for Literature Science the Arts | Atlanta, GA | 501c3 | Nsf Travel Grant Reimbursement | $6,684 |
Fundraising, Events, and Gaming
- Fundraising activities
- No
- Gaming activities
- No
- Professional fundraiser used
- No
Fundraising and Gaming Totals
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
Political and Lobbying Activity
- Political campaign activity
- No
- Lobbying activity
- No
- Subject to proxy tax
- No
Governance and Compliance
Governance Checklist
- Compiled or reviewed by an accountant
- No
- Annual disclosure for covered persons
- Yes
- Audit committee
- Yes
- Backup withholding compliance
- Yes
- Business relationship with 35% controlled entity
- No
- Business relationship with family members
- No
- Business relationship with organization members
- No
- Material changes to governing documents
- No
- Compensation from other sources disclosed
- No
- CEO compensation reviewed
- Yes
- Other officer compensation reviewed
- No
- Conflict-of-interest policy
- Yes
- Audited financial statements prepared
- No
- Key decisions subject to board approval
- Yes
- Management duties delegated
- No
Governance Explanations
Form 990, Part VI, Section A, Line 6
“Membership in the hss shall be available to individuals interested in the history of science, individuals having an interest in the hss and supporting its purpose, or individuals otherwise qualifying for membership under criteria established by the council from time to time. There shall be two (2) classes of membership: regular members and institutional members. Regular members have full voting privileges, including the election of members of the council.”
Form 990, Part VI, Section A, Line 7A
“Council members at-large shall be elected by a plurality vote of hss members.”
Form 990, Part VI, Section A, Line 7B
“Hss members have the reserved power to elect or remove council members with a majority vote. Hss members must also approve any bylaw changes approved by the board.”
Form 990, Part VI, Section B, Line 11B
“The organization's form 990 is reviewed by the executive director and distributed to the board of directors prior to filing with the irs. The form 990 is signed by the executive director and filed with the appropriate authorities.”
Form 990, Part VI, Section B, Line 12C
“The organization monitors and enforces compliance with the conflict of interest policy through committee member monitoring and enforcement via ex officio monitoring. Council members recuse themselves from matters where an apparent or actual conflict exists.”
Form 990, Part VI, Section B, Line 15A
“Each year the society follows a compensation review process to determine compensation for the executive director. The president of the society organizes an ad hoc committee to review the performance of the executive director. Information on the director's performance is sought from numerous individuals within and outside the society. Compensation is tied to the results of that review.”
Form 990, Part VI, Section C, Line 19
“Governing documents, including all relevant policies, and the most recent form 990 informational return for the organization are made available to the public through the organization's website. The organization's annual form 990 informational return is also available to the public through donor advocacy websites including www.guidestar.org. The organization's annual audited financial statements and other financial and governance information are available to donors and stakeholders upon request, as directed by the organization's website.”
Filing and Contact Details
Filer
- Filer Name
- History of Science Society Inc
- EIN
- 52-6050324
- Phone
- 5746311194
- Address
- 315 CHESTNUT STREET, PHILADELPHIA, PA 19106
Signing Officer
- Name
- John Paul Gutierrez
- Title
- Executive Director
- Phone
- 5746311194
- Signed
- 2026-02-16
- Discuss with paid preparer
- Yes
Organization Details
- Principal Officer
- John Paul Gutierrez
- Formed
- 1925
- Legal Domicile
- Dc
- Voting Board Members
- 21
- Independent Board Members
- 20
- Employees
- 3
- Volunteers
- 118
Preparer
- Firm
- Anders Minkler Huber & Helm Llp
- Address
- 800 MARKET STREET SUITE 500, ST LOUIS, MO 63101-2501
- Preparer
- Jeanne Dee
- Phone
- 3146555500
Supplemental Narrative
Additional Explanations
Form 990, Part V, Line 13A
“IN”
FORM 990, PART XII, LINE 2C:
“No changes to this process.”
Financial Statement Notes
PART V, LINE 4:
“The endowment funds of the history of science society are used to support its publications, its prizes, and its governance.”
PART X, LINE 2:
“The society follows guidance issued by the fasb on accounting for income taxes and has evaluated its tax positions, expiring statutes of limitations, audits, proposed settlements, changes in tax law and new authoritative rulings, and believes that no provision for income taxes is necessary to cover any uncertain tax positions. The society's returns for tax years 2021 and later remain subject to examination by taxing authorities.”
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| IRS990/Desc | 0 | PUBLICATIONS - THE SOCIETY PUBLISHES TWO JOURNALS: ISIS APPEARS QUARTERLY AND OSIRIS APPEARS ANNUALLY. USING A HIGHLY SELECTIVE PROCESS, THE SOCIETY ENSURES THAT EACH JOURNAL CARRIES THE BEST SCHOLARSHIP IN THE HISTORY OF SCIENCE. THE EDITORIAL BOARDS HELP THE EDITORS REVIEW THE MANUSCRIPTS UNDER THE OVERALL DIRECTION OF A COMMITTEE ON PUBLICATIONS. ISIS AND OSIRIS ARE SENT TO SOME 3,000 SUBSCRIBERS. THE HSS ALSO PUBLISHES THE ANNUAL ISIS CURRENT BIBLIOGRAPHY (CB) AS A SUPPLEMENT TO ISIS. EACH CB CONTAINS THOUSANDS OF ENTRIES, WHICH ARE ALSO LOADED INTO THE HISTORY OF SCIENCE, TECHNOLOGY AND MEDICINE (HSTM) DATABASE, PUBLISHED BY EBSCO, AND FREELY AVAILABLE TO INDIVIDUAL MEMBERS. NONMEMBERS CAN ACCESS MUCH OF THE BIBLIOGRAPHIC DATA AT NO CHARGE AT WWW.ISISCB.ORG. |
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| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | PRATIK CHAKRABARTI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | FA-TI FAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | JOHN PAUL GUTIERREZ |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | MATTHEW SHINDELL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | SORAYA DE CHADAREVIAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | ADRIANNA LINK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | PATRICK MCCRAY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | SAMANTHA MUKA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | OMAR NASIM |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | JESSICA WANG |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 20 | BETH YALE |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 175000 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | EXECUTIVE DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | VICE PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 20 | DIRECTOR |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1925 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | -108560 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 21 |
| IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt | 0 | 52739 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 52739 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 64189 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 64189 |
| IRS990/GrantsToIndividualsInd | 0 | 1 |
| IRS990/GrantsToOrganizationsInd | 0 | 1 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 93762 |
| IRS990/GrossReceiptsAmt | 0 | 720400 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 20 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 1 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 9986 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 7372 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 17358 |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 1414 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 2361 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 3572 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 7347 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 64369 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 64369 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 4042791 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 4350826 |
| IRS990/IRPDocumentCnt | 0 | 27 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | DC |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 202322 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembershipDuesAmt | 0 | 107642 |
| IRS990/MembersOrStockholdersInd | 0 | 1 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | THE SOCIETY'S MISSION IS TO FOSTER INTEREST IN THE HISTORY OF SCIENCE, PROMOTE DISCUSSION OF SCIENCE'S SOCIAL AND CULTURAL RELATIONS, AND BRING THIS UNDERSTANDING TO OTHERS WORLDWIDE. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 4137040 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 4313982 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | -108560 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | -108560 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 524563 |
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| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | -14550 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 124 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 647 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 13273 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 14044 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 9436 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 14632 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 14813 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 38881 |
| IRS990/OtherExpensesGrp/Desc | 0 | EDITORIAL |
| IRS990/OtherExpensesGrp/Desc | 1 | OTHER/MISC. |
| IRS990/OtherExpensesGrp/Desc | 2 | BANK CHARGES |
| IRS990/OtherExpensesGrp/Desc | 3 | DUES AND SUBSCRIPTIONS |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 1351 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 13436 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 3764 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 195499 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 13954 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 0 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 8144 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 195499 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 15305 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 13436 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 11908 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 900099 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | MISCELLANEOUS REVENUE |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 0 | 4060 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 4060 |
| IRS990/OtherRevenueTotalAmt | 0 | 4060 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 43143 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 62906 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 18149 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 124198 |
| IRS990/OwnWebsiteInd | 0 | X |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 4184 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 7618 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 10263 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 22065 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 80069 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 22746 |
| IRS990/PrincipalOfficerNm | 0 | JOHN PAUL GUTIERREZ |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 900099 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 900099 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 2 | 900099 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | SUBSCRIPTION INCOME |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | BIBLIOGRAPHY ROYALTIES |
| IRS990/ProgramServiceRevenueGrp/Desc | 2 | ANNUAL MEETING |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 253483 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 14375 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 2 | -61415 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 253483 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 14375 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 2 | -61415 |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | PRODUCTION OF THE ANNUAL MEETING - THE SINGLE BIGGEST ACTIVITY HANDLED BY THE SOCIETY'S EXECUTIVE OFFICE IS THE ANNUAL MEETING. THESE CONFERENCES ATTRACT APPROXIMATELY 500 SCHOLARS FROM AROUND THE WORLD WHO COME TOGETHER TO SHARE RESEARCH IN THE FIELD.TRAVEL GRANTS FUNDED THROUGH THE U.S. NATIONAL SCIENCE FOUNDATION HAVE BEEN AWARDED TO QUALIFYING ATTENDEES. WE ALSO ASSIST 10 OTHER SOCIETIES IN ADMINISTERING NSF TRAVEL GRANTS WITH THE HSS EXEC DIR SERVING AS THE PI. |
| IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt | 0 | 463286 |
| IRS990/ProgSrvcAccomActy2Grp/GrantAmt | 0 | 116928 |
| IRS990/ProgSrvcAccomActy2Grp/RevenueAmt | 0 | 14375 |
| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | THE HISTORY OF SCIENCE SOCIETY MAINTAINS A WEBSITE THAT INCLUDES CURRENT SOCIETY AND PROFESSIONAL NEWS, PROVIDES LINKS AND OTHER PROFESSIONAL RESOURCES, AND A LISTING OF OPEN JOBS, FELLOWSHIPS, AND SIMILAR OPPORTUNITIES; PUBLISHES A QUARTERLY NEWSLETTER; AND AWARDSPRIZES AND GRANTS FOR EXEMPLARY SCHOLARSHIP AND TEACHING. |
| IRS990/ProgSrvcAccomActy3Grp/ExpenseAmt | 0 | 108537 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 488819 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 97517 |
| IRS990/PYInvestmentIncomeAmt | 0 | 210502 |
| IRS990/PYOtherExpensesAmt | 0 | 541735 |
| IRS990/PYOtherRevenueAmt | 0 | 10257 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 185205 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -134781 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 390312 |
| IRS990/PYTotalExpensesAmt | 0 | 1029564 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 894783 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -347621 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 0 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 0 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 253483 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 351765 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt | 0 | 488819 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 225800 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 187434 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 48396 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 1302214 |
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