An organization of surviving participants, descendents, and others interested in the Manhattan Project. Contains historic photos, documents, and recollections of participants.

Links to information about Enrico Fermi, the Manhattan Project, and the Henry Moore sculpture commemorating the first self-sustaining nuclear reaction by the University of Chicago Physics Department.

Examines the origins of the project as well as the political and ethical debates that occurred before the decision was made to use the bomb. Has a glossary, listing of key characters, information on the design of the device and other data.

The US National Atomic Museum's virtual tour of the Manhattan Project. Includes information on Los Alamos, Hanford and Oak Ridge facilities.

Large collection of annotated links.

Site by Nuclear Files with original documents, audio files, data and graphs, photographs, links to biographies and related sites.

Describing the chronology of the making of the atomic bomb and Niagara Falls' involvement in the production of the largest amount of uranium metal for the entire Manhattan Project.

A collection of links relating to the Project, the period just prior to the founding of the Project, and a bit about the post-war years, also timelines, biographies, and other relevant information.