and Electrons, and Fundamental Theory 1882 births 1944 deaths Alumni of Trinity College, Cambridge Alumni of the Victoria University of Manchester British anti–World War I activists British astrophysicists British conscientious objectors British Christian pacifists Corresponding Members of the Russian Academy of Sciences (1917–1925) Corresponding Members of the USSR Academy of Sciences British Quakers 20th-century British astronomers Fellows of Trinity College, Cambridge Fellows of the Royal Astronomical Society Fellows of the Royal Society Foreign associates of the National Academy of Sciences Knights Bachelor Members of the Order of Merit Members of the Royal Netherlands Academy of Arts and Sciences People from Kendal Presidents of the Physical Society Presidents of the Royal Astronomical Society Recipients of the Bruce Medal Recipients of the Gold Medal of the Royal Astronomical Society British relativity theorists Royal Medal winners Senior Wranglers 20th-century British physicists Plumian Professors of Astronomy and Experimental Philosophy Presidents of the International Astronomical Union