Wilfred M. Sumner

John J. Kutcher

John Kutcher worked for the United States Engineer District Office.

M. Z. Patterson

William R. Stewart

William Stewart was an engineer in the Special Engineering Detachment at Los Alamos, New Mexico. Specifically, Stewart worked in “Project Trinity” under the leadership of George Kistiakowsky and Kenneth Bainbridge.

W. J. Dinsmore