William Wallace Campbell

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

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Science and technology

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What Wikipedia says

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. He was the tenth president of the University of California from 1923 to 1930.

Excerpt from the Wikipedia article “William Wallace Campbell”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Hector Macpherson, Public domain, via Wikimedia Commons.