  the federation of american scientists (fas) is a 501(c)(3) organization with the stated intent of using science and scientific analysis to attempt to make the world more secure. fas was founded in 1945 by scientists who worked on the manhattan project to develop the first atomic bombs. with 86 sponsors, fas claims that it promotes a safer and more secure world by developing and advancing solutions to important science and technology security policy problems by educating the public and policy makers, and promoting  transparency through research and analysis to maximize impact on policy. fas projects are organized under four main program areas: biosecurity, earth systems, educational technologies, and strategic security. == history == thumb|fas logo fas was originally founded as the federation of atomic scientists on november 30, 1945, by a group of scientists and engineers within the associations of manhattan project scientists,  oak ridge scientists, and los alamos scientists. its early mission was to support the mcmahon act of 1946, educate the public, press, politicians, and policy-makers, and promote international transparency and nuclear disarmament. on january 6, 1946, fas changed its name to the federation of american scientists, but its purpose remained the same â to agitate for the international control of  atomic energy and its devotion to peaceful uses, public promotion of science and the freedom and integrity of scientists and scientific research. for this purpose, permanent headquarters were set up in washington, d.c., and contacts were established with the several branches of government, the united nations, professional and private organizations, and influential persons. by 1948, the federation had grown to twenty local associations, with 2,500 members, and had been instrumental in the passage of the mcmahon act and the national science foundation, and had influenced the american position in the [[united nations]
501(c)(3)_nonprofit_organizations Arms_control Organizations_established_in_1945 Science_advocacy_organizations Science_and_technology_in_the_United_States Science_and_technology_think_tanks Think_tanks_based_in_Washington,_D.C. United_States_government_secrecy