National Museum of Nuclear Science & History
Holl worked for Stone and Webster Engineering Corporation.
Kenneth Walsh was an American chemist. Walsh studied as an undergrad at Yankton College in South Dakota.
Gerold Tenney was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Attended Case Western Reserve University.
Lewin worked in the 100 D Area at Hanford during the Manhattan Project.
