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Arthur B. C. Walker Jr.

Arthur Bertram Cuthbert Walker Jr. was an African-American solar physicist and a pioneer of EUV/XUV optics. He developed normal incidence multilayer XUV telescopes to photograph the solar corona. Two of his sounding rocket payloads, the Stanford/MSFC Rocket Spectroheliograph Experiment and the Multi-Spectral Solar Telescope Array, recorded the first full-disk, high-resolution images of the Sun in XUV with conventional geometries of normal incidence optics. This technology is used in solar telescopes such as SOHO/EIT and TRACE, and in the fabrication of microchips via ultraviolet photolithography. Arthur B. C. Walker Jr., American physicist and academic (d. 2001)

24 August 1936

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Born on the same birth date (24 August 1936): A. S. Byatt • Kenny Guinn

Born on the same birth day (24 August): Albert Claude • Alyn Ainsworth • Benoît Brunet • Brian Rajadurai • Carlo Gambino • Derek Morris (ice hockey) • Duke Kahanamoku • Eric Simms (ornithologist) • J. Gordon Edwards (entomologist) • James Weddell • Louis Teicher • Maryna Zanevska • Mildred Maldonado • Oscar Hijuelos • Salizhan Sharipov • Shivaram Rajguru • Sofia Richie • Sophia Brahe • Éric Bernard

Born in the same month (August 1936): Frank Howard (baseball) • Giridharilal Kedia • Hideki Shirakawa • John Callaway • John McCain • Jonathan D. Spence