National Museum of Nuclear Science & History
Rachel Sanchez was a staff worker at Los Alamos during the Manhattan Project.
C. H. Hemmel, Jr. served in the 390th Air Service Group.
George Cowan joined the Manhattan Project in 1942 at the Met Lab as a chemist for Enrico Fermi’s group, and also worked for Columbia University.
William L. Nash served in the 603rd Air Engineering Squadron.
General Lyle Edward “Skip” Seeman was a United States Army Corps of Engineers Officer. He was also a Manhattan Engineering District Special Assistant to General Groves at Los Alamos On May 3, 1945 Col Seeman was appointed by General Leslie Groves to be his Corps of Engineers liaison at Los Alamos.
