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Arthur B. C. Walker, Jr.
Arthur Bertram Cuthbert Walker, Jr. (August 24, 1936 – April 29, 2001) was a solar physicist and a pioneer of EUV/XUV optics. He is most noted for having 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 now used in solar telescopes such as SOHO/EIT and TRACE, and in the fabrication of microchips via ultraviolet photolithography.
==Early life==
Walker was born in Cleveland, Ohio on August 24, 1936, to Arthur and Hilda Walker.〔James Glanz, (Arthur Walker, 64, Scientist and Mentor, Dies ), ''The New York Times'' (May 9, 2001).〕 He was an only child.〔Dawn Levy, (Art Walker : 'favorite sun' of solar physics ), ''Stanford Report'' (October 4, 2000).〕
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