Claudius Ptolemy of Alexandria
Astronomer, astrologer, mathematician, cartographer, inventor of Geography, diplomat, pioneer of the Ptolemaic system (Primum Mobile) or the Geocentric model of the universe (where the Earth is at the center of the Universe), author of Geographike hyphegesis ("Geography") in 150 AD
Antony Hewish
Astronomer, Nobel Prize in Physics, discovery of a supernova star that exploded in the year 4,000 BC
Aristarchus of Samos
scientist, inventor, astronomer, pioneer in heliocentrism or the heliocentric model of the universe (where the sun is at the center of it all)
310 BC-230 BC
mathshistory.st-andrews.ac.uk
Carl Sagan
Astronomer, cosmologist, pioneer in cosmology and civilizations, astrophysicist, astrobiologist, planetary scientist, author
Caroline Herschel
Real life Cinderella story, world's first paid woman astronomer, discovery of comets for King George III, sister of William Herschel
1750-1848 (98)
starchild.gsfc.nasa.gov
Nicolaus Copernicus
Astronomer, astrologer, polymath, pioneer of the quantity theory of money (price-to-money supply), Earth and planets orbit the Sun, pioneer of the Heliocentric model (Narratio prima) of the universe in 1541 during the Renaissance period, discovered solar system in 1540, author of De Revolutionibus (On the Revolutions of Heavenly Spheres) in 1543
1473-1543 (70)
David W. Hughes
Astronomer, researcher of asteroids, comets, meteorites, meteoroids
Edwin Hubble
Astronomer, discover of 1373 Cincinnati constellation, astronomy, pioneer of the Hubble sequence, inventor of the Hubble Telescope
britannica.com
Fabiola Gianotti
Director General of the European Organization for Nuclear Research (CERN)
Francis Andrews
Astronomer
tcd.ie
Galileo Galilei
Observational astronomer aka Galileo Galilei, heliocentric model (assuming the sun is at the center of it all), mathematician, polymath, inventor of the telescope, hydrostatic balance, pioneer in isochronism (pendulums), Principle of Relativity, physicist, science philosopher during the period of Renaissance, author of Two New Sciences in 1632, jury trial in 1633
1562-1642 (80)
spacecentre.co.uk
Henry S. Pritchett
Astronomer, superintendent of the US Coast and Geodetic Survey, educator, 1st president of the Carnegie Foundation for the Advancement of Teaching (CFAT)
1857-1939 (82)
Hipparchus of Nicaea/Bithynia
Astronomer, discovery of precession of the equinoxes, geographer, mathematician, inventor of trigonometry, author of On Sizes and Distances
190 BC-120 BC
mathshistory.st-andrews.ac.uk
John Herschel
Astronomer of the Julian calendar day system, pioneer in astronomy, polymath, mathematician, chemist, inventor of the blueprint, photographer, botanist
1792-1871 (79)
mathshistory.st-andrews.ac.uk
Johannes Kepler
Astronomer, mathematician, astrologer, natural philosopher, inventor, pioneer in the laws of planetary motion, paved the way for modern satellites in orbit
Patrick Moore (astronomer)
TV presenter, writer, researcher, Royal Air Force (RAF) pilot, amateur astronomer, president of the British Astronomical Association, co-founder of the Society for Popular Astronomy
Tycho Brahe
Astronomer, astrologer, alchemist, mathematician, aristocrat, landowner of Hven with Uraniborg castle (of Heavens) and Stjerniborg castle (of Stars) research labs, pioneer of a hybrid geocentric-heliocentric model, discovery of supernovas and comets
1546-1601 (55)
britannica.com
William Herschel
Astronomer, musician, pioneer in telescopes, discovery of the planet Uranus and the constellation Gemini in 1781
1738-1822 (84)
William Rowan Hamilton
Andrews professor of Astronomy at Trinity College Dublin, mathematician