James Daniel

J. M. Wetherhold

Clarence Johnson

Clarence Johnson (1912-2012) was a Canadian-born chemical engineer. He was born in Alberta, Canada on November 24, 1912 to Swedish migrant parents.

Rex Edward Keller

Rex Edward Keller was a member of the Special Engineering Detachment, assigned to work in Seth Neddermeyer’s chemistry group at Los Alamos.

Kattie Strickland

Kattie Strickland was part of the janitorial staff at Oak Ridge during the Manhattan Project. Unlike the white women whom she worked along side, Ms.