National Museum of Nuclear Science & History
H. L. Roland worked for the Midwest Piping and Supply Company.
R. M. Van Petten worked for the Kellex Corporation at the K-25 Plant.
Chowning worked at the 200 East Area at Hanford during the Manhattan Project.
Anne MacGregor Perley was a biochemist who worked on the Manhattan Project at Los Alamos. She was part of Louis Hempelmann’s Health Group, one of his many recruits from Washington University in St.
