National Museum of Nuclear Science & History
Rolf Peterson was a physicist at Los Alamos from 1943 through the end of the war. Peterson graduated from St.
Paul Hartsfield worked for Clinton Laboratories at the X-10 Reactor.
Viola Vigil was a staff worker at Los Alamos during the Manhattan Project.
Grace Townsend served in the Women’s Army Corps at Los Alamos during the Manhattan Project.