John Wlodarski

Henry P. Nieber

Sidney H. Yenny

Sidney Yenny was a staff worker at Los Alamos during the Manhattan Project.

Edward J. Fredrick

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

Roderick F. Arnold

Technical Sergeant Roderick F. Arnold (1917-1998) was a Flight Engineer assigned to the Bockscar’s original crew.