National Museum of Nuclear Science & History
C. E. Winters worked for the United States Engineer District Office.
John Chipman was an American engineer. Chipman was born in 1897 in Tallahassee, Florida. He received B.
Baumann worked in the United States Engineer District Office.
Frank R. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
