Opal MacDonald

StenographerChicago, IL

Manhattan Project VeteranProject Worker/Staff

Opal MacDonald was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Related Profiles

Ralph W. Krueger

Attended Case Western Reserve University.

Otho Carter

Frank R. Johnson

Frank R. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

C. L. Dyer

Dyer worked for Stone and Webster Engineering Corporation.