National Museum of Nuclear Science & History
O'Brien worked for Stone and Webster Engineering Corporation.
Patricia Lear was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Michael J. Amentt served in the 603rd Air Engineering Squadron.
Carleton Clark McEachern was a sergeant in the 509th Composite Group. He was regularly assigned to the B-29 Laggin’ Dragon as the tail gunner.
