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

W. D. Webb

T-Plant/200 Areas

Webb worked at the 200 West Area at Hanford during the Manhattan Project

Richard Shepard

Oak Ridge, TN

Richard Shepard joined the Manhattan Project at Oak Ridge, working in the K-25 Plant as a member of the Special Engineer Detachment.

Bernard Manowitz

X-10 Graphite Reactor

Attended Newark College.

Paul O. Langguth

Oak Ridge, TN

Paul Langguth worked for the United States Engineer District Office.