E. J. Swatba

E. R. Towner

Abe Sherman

Hugo Leckelt

Hugo Leckelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Gerard Pawlicki

Gerry Pawlicki was an American physicist. Pawlicki was born in 1921. He received a B.S. in physics at De Paul University in Chicago, and soon after was hired to work on the Manhattan Project at the Chicago Met Lab as a member of the instruments division.