George Willis Ritchey

Rarity: Common

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At a glance

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Science and technology

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What Wikipedia says

George Willis Ritchey (December 31, 1864 – November 4, 1945) was an American optician and telescope maker and astronomer born at Tuppers Plains, Ohio.

Excerpt from the Wikipedia article “George Willis Ritchey”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Kowloonese at English Wikipedia, Public domain, via Wikimedia Commons.