National Museum of Nuclear Science & History
W. S. Herron worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Preston Veltman was an American chemist. Veltman was born in Grand Rapids, Michigan. He studied at Michigan Technological University, and earned a Ph.
Frank Mason worked for the United States Engineer District Office.
Richard Shepard joined the Manhattan Project at Oak Ridge, working in the K-25 Plant as a member of the Special Engineer Detachment.
N. J. Johnson worked for Hanley & Company.