John Ingram

S. V. Chong

Ralph Carlisle Smith

Ralph Carlisle Smith was born in 1910 in New York. He co-authored Project Y: The Los Alamos Story, with David Hawkins and Edith Truslow.

H. H. Mason

Mason worked in the 300 Area at Hanford during the Manhattan Project.

Dunell Cohn

Dunell Cohn was born in Oak Ridge, Tennessee, in 1944. Cohn’s father, Waldo, was recruited to work on the Manhattan Project in Chicago in 1942 for his work on radioisotopes at Berkeley and Harvard during the 1930s.