National Museum of Nuclear Science & History
Charles Schallis (1898-1965) was a staff worker at Los Alamos during the Manahttan Project.
Attended Iowa State University.
A. T. Sampson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Colonel Arthur “Pete” V. Peterson was the Army’s area engineer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.