High Quality Content by WIKIPEDIA articles! Sir Arthur Stanley Eddington, OM, FRS (28 December 1882 – 22 November 1944) was a British astrophysicist of the early 20th century. He was also a philosopher of science and a popularizer of science. The Eddington limit, the natural limit to the luminosity of stars, or the radiation generated by accretion onto a compact object, is named in his honor.