John E. Fisher

Hennie J. Schallis

Hennie Schallis was a staff worker at Los Alamos during the Manhattan Project.

Fredrick “Fred” D. Johnson

Fredrick “Fred” D. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Percy W. Jones

Jones worked at the 300 Area at Hanford during the Manhattan Project.

Fred C. Neubauer