Abt, Helmut A.

Abt, Helmut A.

Abt, Helmut A.
Informal 1
I: Individuals and Groups
Helmut A. Abt, assistant professor of astronomy, and assistant director of Yerkes Observatory.
Abt, Helmut A., born 1925 | Astronomers | College teachers | Yerkes Observatory
Photographic prints; 20.7 x 16.3 cm
Chicago, Illinois
Archival Photographic Files
University of Chicago Library, Special Collections Research Center

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