Manhattan Project Photo Gallery

The Hanford Construction Camp housed 50,000 people at its peak.

T Plant at Hanford, Washington was designed to process about a half-pound (250 grams) of plutonium metal from one ton (907kg) of irradiated uranium each day.

Hanford's B Reactor in operation, January 1945.

T Plant was the first chemical separations plant constructed at Hanford.

The paint shop and print shop at Hanford, Washington produced many posters, signs, and pamphlets. Imagine going to work with your lunch box and paintbrush and spending most of your day painstakingly hand painting the phrase, “Do Not Open During Reactor Operation.”

The paint shop and print shop at Hanford, Washington produced many posters, signs, and pamphlets. It was possible to tell which painter made a sign by the technique used. For example, some painters would dot an ‘i’ with a diamond while others would use a circle.

Group portrait of Lab employees in a Ford Deluxe.

Diners at Fuller Lodge

Los Alamos residents at the soda fountain counter

United States Post Office, Los Alamos, New Mexico

Approach to Los Alamos during the Manhattan Project

Physicist Emilio Segrè's group at Los Alamos

A sign at the Oak Ridge site during the Manhattan Project warning workers and residents to keep the project secret.

An aerial view of K-25, one of three uranium-enrichment facilities in Oak Ridge, 1945.

Construction at the K-25 site, Oak Ridge.

Front page of Knoxville News-Sentinel on August 6, 1945.

Aerial photo of Oak Ridge, 1945.

Workers sign up at Oak Ridge in 1944.

One of several billboards that appeared in Oak Ridge during the Manhattan Project.