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Summary
DescriptionGeorge Van Biesbroeck.jpg
Subject: Van Biesbroeck, George 1880-1974
Yerkes Observatory
Type: Black-and-white photographs
Topic: Astronomy
Local number: SIA Acc. 90-105 [SIA2010-0289]
Summary: George A. Van Biesbroeck (1880-1974), astronomer at Yerkes Observatory observing Mars when it approached close to the earth in 1926, and using the 40 inch refracting telescope, the largest of its kind in the world
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