Leonard J. Haigerty

L. L. Redfern

L. L. Redfern worked for the J.A. Jones Construction Company.

Andrew H. MacMahon

Andrew H. MacMahon was the Chief Property Officer of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

K. W. Millett

Millett worked in the 200 West Area at Hanford during the Manhattan Project.

Sylvester Laufenberg