- Sir Arthur (Stanley),1882–1944, English astronomer, physicist, and writer.
- Sir Arthur Stanley. 1882–1944, English astronomer and physicist, noted for his research on the motion, internal constitution, and luminosity of stars and for his elucidation of the theory of relativity
- British mathematician, astronomer, and physicist who founded modern astrophysics. He conducted research on the evolution, structure, and motion of stars and was one of the first scientists to promote the theory of relativity. He also wrote a series of scientific books for the layperson.