National Museum of Nuclear Science & History
Theodore Petry (1924-2018) was a laboratory helper at the Chicago Met Lab. He was recruited while still in high school.
Chellberg worked for Stone and Webster Engineering Corporation.
Robert I. Howes Jr. is an American physicist. He was born in Santa Fe, New Mexico in 1941, and was less than two years old when his father Robert Ingersoll Howes joined the Manhattan Project at Los Alamos.
Raymond Sheline was a chemist at Columbia University and a member of the Special Engineer Detachment at Oak Ridge and Los Alamos.