Ptolemy

Ptolemy

male, deceased (168)
Claudius Ptolemaeus, known in English as Ptolemy, was a Greek mathematician, geographer, astronomer, and astrologer who lived in Roman Egypt....
Ian Ridpath

Ian Ridpath

male, 62 years old
Ian (William) Ridpath (born 1 May 1947, Ilford, Essex) is a British science writer and broadcaster made famous for his investigation and...
James Bradley

James Bradley

male, deceased (1762)
James Bradley (March 1693 - July 13, 1762) was an English astronomer, Astronomer Royal from 1742. He is best known for discovering the aberration...
Henry Norris Russell

Henry Norris Russell

male, deceased (1957)
Henry Norris Russell was an American astronomer who, along with Ejnar Hertzsprung, developed the Hertzsprung-Russell diagram (1910). In 1923,...
Asaph Hall

Asaph Hall

male, deceased (1907)
Asaph Hall (October 15, 1829 - November 22, 1907) was an American astronomer who is most famous for having discovered the moons of Mars (namely...
Robert Jastrow

Robert Jastrow

male, 84 years old
Dr. Robert Jastrow (b. 1925) is an American Astronomer, physicist and cosmologist.

Alan Boss

male, 58 years old
Alan P. Boss (born July 20, 1951, in Lakewood, Ohio) is an American astrophysicist. Educated at the University of South Florida and the University...
Brahmagupta

Brahmagupta

male, deceased (668)
Brahmagupta (ब्रह्मगुप्त) (598–668) was an Indian mathematician and astronomer. Brahmagupta was born in 598 A.D. in Bhinmal city in the states of Ra...
Fraser Cain

Fraser Cain

male
Fraser Cain is the editor of Universe Today and the host of the AstronomyCast podcast. Cain lives in British Columbia, Canada with his wife and two...
Pierre-Simon Laplace

Pierre-Simon Laplace

male, deceased (1827)
Pierre-Simon, Marquis de Laplace was a French mathematician and astronomer who put the final capstone on mathematical astronomy by summarizing and...