John R. Klein

MachinistLos Alamos, NM

Chicago, IL

Manhattan Project VeteranMilitary VeteranSpecial Engineer Detachment

John Klein was a member of the Special Engineering Detachment. He worked at the Metallurgical Lab at the University of Chicago and at Los Alamos. He was a supply sergeant and a machinist, helping construct some of the fixtures for the Trinity test site.

Related Profiles

Norman T. Bensen

Los Alamos, NM

S. W. Crocker

Y-12 Plant

S. W. Crocker worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Bonnie Rogers

Oak Ridge, TN

Bonnie Pauline Hardwick Rogers worked at the Y-12 Plant, operating the machinery separating the uranium isotope U-235 from it's heavier counterpart U-238.

Robert O. Willis

Tinian Island

Robert O. Willis served in the 603rd Air Engineering Squadron.