Physics and astronomy pioneer Art Walker, who led the astronomy department at Stanford. Photograph courtesy of Victoria Walker

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Corey S Powell (coreyspowell@mastodon.social)'s status on Monday, 19-Jun-2023 20:59:49 UTC Corey S Powell

Arthur Walker, Jr, had a big, often-overlooked influence in space science. He pioneered using x-rays to study activity on the Sun, led the Challenger investigation, and opened opportunities for underrepresented groups in astronomy. https://skyandtelescope.org/astronomy-resources/famous-astronomers/arthur-b-c-walker-ii-x-ray-astrophysicist/ #Juneteenth #BlackInStem

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