Walter A. McKnight

Eugene Hartley

Irwin P. Sharpe

Irwin P. Sharpe was born in 1921 and died just short of his 100th birthday in 2021. He was recruited for the Manhattan Project by his employer, General Electric, after he graduated from the University of Michigan with a degree in engineering in 1942.

Frederick Trapnell

Frederick Trapnell was a consultant at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Robert L. Skewis