National Museum of Nuclear Science & History
Born in 1903 in Baltimore, Mackie studied civil engineering at Union College in Schenectady, New York.
Leveau worked in the 100 F Area at Hanford during the Manhattan Project.
Charles Allen Thomas (1900-1982) was an American chemist and industrial leader. Thomas was recruited to join the Manhattan Project in 1942 by General Groves, who offered him a postion as a deputy to Robert Oppenheimer, the director of the Los Alamos Laboratory in New Mexico.