2025-11-03T10:50:01+00:00 2024-12-31 135381590 BDO USA 8401 GREENSBORO DR STE 800 MCLEAN VA 221023599 990 2024-01-01 521712905 AMERICAN CENTER FOR PHYSICS INC AMER 3012093000 1 PHYSICS ELLIPSE COLLEGE PARK MD 207403843 CATHERINE G SWARTZ TREASURER 2025-11-03 true TODD TERESCO P00247720 7038930600 2025-11-03 2024 2025-03-06 01:10:19Z BETH A CUNNINGHAM 1 PHYSICS ELLIPSE COLLEGE PARK MD 207403843 7096408 false X WWW.ACP.ORG X 1991 MD AMERICAN CENTER FOR PHYSICS, INC. PROVIDES A NATIONAL CENTER FOR PHYSICS AND RELATED SCIENCES. X 6 0 0 6 0 0 1391331 3729601 21493408 3366807 0 22884739 7096408 0 0 0 0 0 1811792 3964849 1811792 3964849 21072947 3131559 76336978 34527050 29301504 33143957 47035474 1383093 The purpose of the Corporation is exclusively to operate for the benefit of, to perform the functions of, and to carry out the purposes of the American Association of Physics Teachers, the American Institute of Physics Incorporated, the American Physical Society and other organizations, as may be determined from time to time, that are recognized as public charities and exempt from tax under section 501(c)(3) who are dedicated to the advancement of physics and related scientific disciplines. false false 3964849 0 3729601 ACP IS A MEMBERSHIP CORPORATION WHICH IS EXCLUSIVELY TO OPERATE FOR THE BENEFIT OF, TO PERFORM THE FUNCTIONS OF, AND TO CARRY OUT THE PURPOSE OF THE INITIAL MEMBER ORGANIZATIONS. 3964849 true false false false false false false false false false false false false true true true true false false false false false false false false false false false false true false false false false false false false false false false false false false true false true false false false false true 5 0 true 0 false false false false false false false false false false false false X 6 0 false false false false true true false true true false false false true false false false false false false false false false MD X CATHERINE G SWARTZ 3012093000 1 PHYSICS ELLIPSE COLLEGE PARK MD 207403843 BETH A CUNNINGHAM PRESIDENT 3.0 40.0 X X 0 259907 65299 CATHERINE G SWARTZ TREASURER 10.0 40.0 X X 0 420694 56171 JANE HOPKINS GOULD SECRETARY 10.0 40.0 X X 0 405087 51299 JONATHAN BAGGER DIRECTOR 3.0 40.0 X 0 677147 59859 MICHAEL BROSNAN DIRECTOR 3.0 40.0 X 0 150334 53955 MICHAEL H MOLONEY Director 3.0 40.0 X 0 647742 56171 0 2560911 342754 0 false true false DPR Construction 1450 Veterans Blvd Redwood City CA 94063 Construction 306112 1 0 MEMBERSHIP FEES 531120 3729601 3729601 0 0 0 0 3729601 2131358 2131358 0 0 1235449 1235449 0 1235449 1235449 0 0 0 0 0 0 7096408 3729601 0 3366807 315 315 136285 136285 289370 289370 0 0 341471 341471 38947 38947 3040 3040 34703 34703 LEASE EXPENSE 2850732 2850732 SHARED SERVICES EXPENSES 269296 269296 TAXES/LICENCES & FEES 690 690 0 0 0 0 3964849 3964849 0 0 36613379 1727869 861940 11263 0 0 0 0 463374 430041 0 0 0 0 10071863 5709167 0 0 28326422 26648710 76336978 34527050 101386 12988 0 0 29200118 33130969 29301504 33143957 X 47035474 1383093 47035474 1383093 76336978 34527050 X 3131559 -82772 -48701168 X false true true false X X 3 AMERICAN INSTITUTE OF PHYSICS INCORPORATED 131667053 9 true 1968512 0 AMERICAN PHYSICAL SOCIETY 131656610 9 true 1523067 0 AMERICAN ASSOCIATION OF PHYSICS TEACHERS INCORPORATED 520749775 9 true 238022 0 3 3729601 0 true false false false false false false false false false false false false false false true RIGHT OF USE 26648710 26648710 Federal Income Taxes RIGHT-OF-USE LIABILITY - OPERATING 29132613 DUE TO MEMBERS 3998356 33130969 X 7013636 -82772 0 -82772 7096408 0 0 7096408 3964849 0 0 3964849 0 0 3964849 Schedule D, Part X, Line 2 FIN 48 (ASC 740) footnote ACP'S ACCOUNTING POLICY FOR EVALUATING UNCERTAIN TAX POSITIONS IS TO RECOGNIZE TAX POSITIONS IF IT IS MORE LIKELY THAN NOT THAT THE POSITION WOULD NOT BE SUSTAINED UPON EXAMINATION BY THE IRS. ACP DOES NOT BELIEVE THERE ARE ANY UNRECOGNIZED TAX BENEFITS OR LIABILITIES THAT SHOULD BE RECORDED AS OF DECEMBER 31, 2024. false false false false false false false false false BETH A CUNNINGHAM PRESIDENT 0 259907 0 0 0 0 0 23392 0 41907 0 325206 0 0 CATHERINE G SWARTZ TREASURER 0 354769 0 46765 0 19160 0 34500 0 21671 0 476865 0 0 JANE HOPKINS GOULD SECRETARY 0 395087 0 10000 0 0 0 27600 0 23699 0 456386 0 0 JONATHAN BAGGER DIRECTOR 0 607147 0 70000 0 0 0 27600 0 32259 0 737006 0 0 MICHAEL BROSNAN DIRECTOR 0 150334 0 0 0 0 0 13530 0 40425 0 204289 0 0 MICHAEL H MOLONEY Director 0 525891 0 97882 0 23969 0 34500 0 21671 0 703913 0 0 Building and Property Improvement Reserve Fund 2024-12-31 35434000 SEE PART III 131667053 AMERICAN INSTITUTE OF PHYSICS INC 1 PHYSICS ELLIPSE COLLEGE PARK MD 20740 501(C)(3) Building and Property Improvement Reserve Fund 2024-12-31 10283000 SEE PART III 131656610 AMERICAN PHYSICAL SOCIETY 1 PHYSICS ELLIPSE COLLEGE PARK MD 20740 501(C)(3) Building and Property Improvement Reserve Fund 2024-12-31 2983000 SEE PART III 520749775 AMERICAN ASSOC OF PHYSICS TEACHERS 1 PHYSICS ELLIPSE COLLEGE PARK MD 20740 501(C)(3) Schedule N, Part II, Line 1, Column (d) THE BASIS FOR THE DISTRIBUTION TO EACH MEMBER WAS DETERMINED BY THEIR INTREST IN THE BUILDING, LAND, AND CONTRIBUTIONS TO ACP. Form 990, Part VI, Line 6 Classes of members or stockholders ACP IS A MARYLAND NOT-FOR-PROFIT MEMBERSHIP CORPORATION. THE INITIAL MEMBER ORGANIZATIONS AND CURRENT TENANTS ARE AMERICAN INSTITUTE OF PHYSICS, INCORPORATED (AIP), AMERICAN PHYSICAL SOCIETY (APS), AND AMERICAN ASSOCIATION OF PHYSICS TEACHERS, INCORPORATED (AAPT). EACH INITIAL MEMBER ORGANIZATION HAS 100 UNITS OF VOTING POWER. OTHER ORGANIZATIONS DEDICATED TO THE ADVANCEMENT OF PHYSICS AND RELATED SCIENTIFIC DISCIPLINES SHALL BE ELIGIBLE FOR MEMBERSHIP AND TENANCY UPON ELECTION BY A MAJORITY VOTE OF THE COMBINED VOTING POWER OF THE MEMBER ORGANIZATIONS AND THE CONCURRENCE OF TWO INITIAL, MEMBER ORGANIZATIONS. Form 990, Part VI, Line 7a Members or stockholders electing members of governing body EACH MEMBER OF THE ACP ELECTS 2 MEMBERS OF THE BOARD. Form 990, Part VI, Line 11b Review of form 990 by governing body THE 990 IS PREPARED BY THE ORGANIZATION'S INDEPENDENT ACCOUNTING FIRM WITH THE ASSISTANCE AND REVIEW OF AIP MANAGEMENT. A COPY OF THE FORM 990 IS THEN REVIEWED BY THE TREASURER AND PROVIDED TO THE BOARD BEFORE IT IS FILED. Form 990, Part VI, Line 19 Required documents available to the public ACP DOES NOT MAKE ITS GOVERNING DOCUMENTS AVAILABLE TO THE PUBLIC. ACP WILL MAKE THEM AVAILABLE ON REQUEST. Form 990, Part XI, Line 9 Other changes in net assets or fund balances DISTRIBUTION TO MEMBERS - -48701168; Total - -48701168; AMERICAN ASSOCIATION OF PHYSICS TEACHERS 1 PHYSICS ELLIPSE COLLEGE PARK MD 20740 520749775 SEE PART VII NY 501(c)(3) 10 NA false AMERICAN INSTITUTE OF PHYSICS INC 1 PHYSICS ELLIPSE COLLEGE PARK MD 20740 131667053 SEE PART VII NY 501(c)(3) 10 NA false AMERICAN PHYSICAL SOCIETY 1 PHYSICS ELLIPSE COLLEGE PARK MD 20740 131656610 SEE PART VII DC 501(c)(3) 10 NA false false false false false false false false false false true false false false false true false false false false Schedule R, Part II, Column (b) AMERICAN INSTITUTE OF PHYSICS, INC. AIP'S MISSION IS TO ADVANCE, PROMOTE AND SERVE THE PHYSICAL SCIENCES FOR THE BENEFIT OF HUMANITY Schedule R, Part II, Column (b) AMERICAN PHYSICAL SOCIETY ADVANCE PHYSICS BY FOSTERING A VIBRANT, INCLUSIVE, AND GLOBAL COMMUNITY DEDICATED TO SCIENE AND SOCIETY. Schedule R, Part II, Column (b) AMERICAN ASSOCIATION OF PHYSICS TEACHERS AAPT works to improve physics teaching and promote understanding of physics.