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

Joseph G. Jaszkewicz

Los Alamos, NM

C. H. Simpson

Pittsburgh, PA

C. H. Simpson worked for Clinton Laboratories at the X-10 Reactor.

Merrill Garrett

Y-12 Plant

Merrill Garrett worked at the Y-12 Plant at Oak Ridge, TN during the Manhattan Project. A high school football star, Garrett received an appointment to the United States Military Academy, but was forced to decline due to financial circumstances during the Great Depression.

Vincent J. Galvani

Vincent J. Galvani was a chemical engineer who helped design the trigger mechanism for the atom bomb.