Nicholas Heerema

D. J. Kridel

D. J. Kridel worked for the United States Engineer District Office.

Leo Szilard

Leo Szilard (1898-1964) was a Hungarian-American physicist and inventor. EARLY LIFE Leo Szilard was born Leo Spitz on February 11, 1898 in Budapest, Hungary.

Joseph G. Jaszkewicz

Dale O. Perschka