National Museum of Nuclear Science & History
Kenneth Walsh was an American chemist. Walsh studied as an undergrad at Yankton College in South Dakota.
Rex Edward Keller was a member of the Special Engineering Detachment, assigned to work in Seth Neddermeyer’s chemistry group at Los Alamos.
Clair Tellefson was a staff worker at Los Alamos during the Manhattan Project.
Groswith worked at the 200 West Area at Hanford during the Manhattan Project.