physicist
Anaximander
Aristarchus of Samos
Bessel
Bowditch
Brahe
Celsius
Copernicus
Eddington
Eratosthenes
Galileo
Galileo Galilei
Halley
Herschel
Hipparchus
Huggins
Hypatia
Kepler
Langley
Laplace
Lovell
Lowell
Mitchell
Oort
Peirce
Ptolemy
Regiomontanus
Russell
Schiaparelli
Shapley
Thales
Tombaugh
al-hasan ibn al-haytham
al-haytham
alhacen
alhazen
anders celsius
asaph hall
astrophysicist
benjamin peirce
claudius ptolemaeus
clyde tombaugh
clyde william tombaugh
cosmologist
david rittenhouse
edmond halley
edmund halley
friedrich wilhelm bessel
george ellery hale
gerard kuiper
gerard peter kuiper