Astronomer
Harlow Shapley
Astronomer
Nicolaus Copernicus
Astronomer
Edwin Hubble
Astronomer
Percival Lowell
Astronomer
Johannes Kepler
Astronomer
Stephen Thorsett
Astronomer
Robert Stawell Ball
Astronomer
Clyde Tombaugh
Astronomer
Nasir Al-din Al-Tusi
Astronomer