Harold W. Kirby

T. L. Young

T. L. Young worked for the Tennessee Eastman Corporation at the Y-12 Plant.

W.G. Schmidt

Henry Yevlove

Henry Yevlove worked for Harold Urey’s group at Columbia University as a junior scientist. He later changed his last name to “Young.

Lyda Speck

Lyda Speck served in the Women’s Army Corps at Los Alamos during the Manhattan Project. She later remembered “how tight the security was.