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Campbell, William Wallace

   Also found in: Hutchinson 0.06 sec.
Campbell, William Wallace (1862–1938) astronomer; born in Hancock County, Ohio. Author of The Elements of Practical Astronomy (1899), he deduced that the Martian atmosphere could not support life (1894). He worked at California's Lick Observatory (1890–1923), becoming its director in 1901. Working with the Mills spectrograph he measured stellar radial velocities and published them (with Joseph Moore) in a catalogue (1928). He presided over the University of California: Mt. Hamilton (1923–30) and the National Academy of Sciences (1931–35).


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