Department) Imperial College and Technology, South Kensington. Distinguished for his contributions to Astronomical Physics by spectroscopic observations of eclipses, solar prominences, and sunspots, and by experimental researches bearing on their interpretation. Associated in observations of total eclipses of the sun with Sir Norman Lockyer in 1893, 1896, 1898, 1900, and (with Prof Callendar) in 1905. "

:He was awarded their Royal Medal