George R. Taylor

A.C. Smith

M. J. Barnett

Barnett worked in the United States Engineer District.

George Kistiakowsky

George Kistiakowsky (1900-1982) was a Ukrainian-American physical chemist.  He joined the Manhattan Project in late January 1944, leaving his role as chief of the National Defense Research Committee’s Explosives Division.

Walter E. Treibel

Walter Treibel was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.