National Museum of Nuclear Science & History
Underwood worked at the 200 West Area at Hanford during the Manhattan Project.
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.
Leighton B. Ewell served in the 393rd Bombardment Squadron.
