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

M. Thor

Hanford, WA

Leonard Howard

Hanford, WA

F. R. Grim

Oak Ridge, TN

Grim worked for Stone and Webster Engineering Corporation.

Clarence R. Wayland

Tinian Island

Clarence R. Wayland served in the 320th Troop Carrier Squadron.