Repro ID: H6491
Title: William Stevens, an employee of the Royal Observatory (1895-1939).
Description: William Stevens began work at the Observatory as a computer (a person employed to carry out routine calculations) in 1895. In 1912 he was promoted to Junior Assistant, a post he held until he retired in 1939. He worked under three Astronomers Royal, William Henry Mahoney Christie, Frank Dyson and Harold Spencer Jones. He was based originally in the Time Department but transferred to the Magnetic and Meteorological Department in 1924. He is photographed here with a piece of magnetic apparatus (possibly a magnetometer).
Creator: Frank Dyson
Date: 20th Century