Alexander Boksenberg

Alexander Boksenberg CBE FRS (born 18 March 1936) is a British scientist. He won the 1999 Hughes Medal of the Royal Society "for his landmark discoveries concerning the nature of active galactic nuclei, the physics of the intergalactic medium and of the interstellar gas in primordial galaxies. He is noted also for his exceptional contributions to the development of astronomical instrumentation including the Image Photon Counting System, a revolutionary electronic area detector for the detection of faint sources, which gave a major impetus to optical astronomy in the United Kingdom".
He later served as the Director of the Royal Greenwich Observatory.