deaths
Arthur B. C. Walker Jr., American physicist and academic (born 1936)
Related Wikipedia articles
Arthur B. C. Walker Jr.
American physicist and EUV/XUV optics pioneer (1936–2001)
Arthur Bertram Cuthbert Walker Jr. was an 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…Source: Wikipedia (CC BY-SA)
April 29
Day of the year
April 29 is the 119th day of the year in the Gregorian calendar; 246 days remain until the end of the year.Source: Wikipedia (CC BY-SA)