William Wallace Campbell, Date of Birth, Place of Birth, Date of Death
TweetWilliam Wallace Campbell
American astronomer
Date of Birth: 11-Apr-1862
Place of Birth: Hancock County, Ohio, United States
Date of Death: 14-Jun-1938
Profession: astronomer
Nationality: United States
Zodiac Sign: Aries 
About William Wallace Campbell
- William Wallace Campbell (April 11, 1862 – June 14, 1938) was an American astronomer, and director of Lick Observatory from 1901 to 1930.
- He specialized in spectroscopy.
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