National Museum of Nuclear Science & History
M. Johnson served in the 390th Air Service Group.
Parr worked in the 200 East and 100 D Areas at Hanford during the Manhattan Project.
George Moulton was an American chemical metallurgist. After receiving his bachelor’s degree in chemistry from Drury College, he began conducting research on radioactive metals at Iowa State.
Nelson worked at the 200 West Area at Hanford during the Manhattan Project.