Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Roger S. Warner, Jr.

Chief of the Fat Boy Assembly TeamTinian Island

Wendover, UT
Manhattan Project VeteranProject Alberta

Roger S. Warner, Jr. was a civilian scientist who worked as part of Project Alberta, the team that transported and assembled all the components of the two atomic bombs before the August 1945 bombings of Hiroshima and Nagasaki. Warner was the chief of the assembly group that put together the Fat Man plutonium bomb. That bomb was dropped on the Japanese city of Nagasaki on August 9, 1945.

Related Profiles

J. R. Bowlings

Y-12 Plant

J. R. Bowlings worked for the Tennessee Eastman Corporation at the Y-12 Plant.

E. L. Wheeler

Hanford, WA

Mendel Maskewitz

Y-12 Plant

Maskewitz worked with calutrons at the Y-12 plant at Oak Ridge during the Manhattan Project.

Paul C. Schafhauser

Tinian Island

Paul C. Schafhauser served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Necessary Evil.