National Museum of Nuclear Science & History
Irvin Mastin worked for the J.A. Jones Construction Company.
David Purdon served as a member of the 393rd Bombardment Squadron in the 509th Composite Group. He was the radio operator regularly assigned to the Laggin’ Dragon.
Jean Dow Bacher was born in 1907, and grew up in Ann Arbor, Michigan. She married fellow Ann Arbor native and leading Manhattan Project scientist Robert Bacher in 1930.
Manning worked for Stone and Webster Engineering Corporation.
