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

T. F. Hanley, Jr.

Oak Ridge, TN

T. F. Hanley, Jr. worked for Hanley & Company.

E. N. Livingston

Hanford, WA

L. A. Darling

B Reactor/100 Area

L. A. Darling worked at the 100-B Area at Hanford during the Manhattan Project.

Carl Cassada

Oak Ridge, TN