Identity area
Type of entity
Authorized form of name
Parallel form(s) of name
Standardized form(s) of name according to other rules
Other form(s) of name
Identifiers for corporate bodies
Description area
Dates of existence
History
Philip Herbert Cowell (1870–1949) was a British astronomer and mathematician noted for his precision work in celestial mechanics, particularly the computation of planetary and cometary orbits. Educated at Trinity College, Cambridge, he joined the Royal Greenwich Observatory in 1896, where he eventually became Chief Assistant. Cowell is best known for his detailed calculations of Halley’s Comet’s orbit, working with Andrew Claude de la Cherois Crommelin to successfully predict its 1910 return with unprecedented accuracy. His work extended to lunar theory, the motions of minor planets, and improvements in astronomical constants. A fellow of the Royal Society, Cowell’s meticulous computational methods significantly advanced the accuracy of astronomical ephemerides in the early 20th century.