Carl Sagan (1934-1996)
Astronomer
1
Nicolaus Copernicus (1473-1543)
2
Edwin Hubble (1889-1953)
3
Ibn Al-haytham (965-1040)
4
Benjamin Banneker (1731-1806)
5
Tycho Brahe (1546-1601)
6
Caroline Herschel (1750-1848)
7
William Herschel (1738-1822)
8
Phil Plait, 60
9
Johannes Kepler (1571-1630)
10
Maria Mitchell (1818-1889)
11
Anders Celsius (1701-1744)
12
Jan Oort (1900-1992)
13
James Van Allen (1914-2006)
14
Henrietta Leavitt (1868-1921)
15
Nasir Al-din Al-Tusi (1201-1274)
16
Clyde Tombaugh (1906-1997)
17
George Mueller (1918-2015)
18
Ulugh Beg (1394-1449)
19
Nancy Grace Roman (1925-2018)
20
Charles Smyth (1819-1900)
21
Williamina Fleming (1857-1911)
22
Annie Jump Cannon (1863-1941)
23
Florence Ray Moulton (1872-1952)
24
Percival Lowell (1855-1916)
25
Andrea Ghez, 59
26
Ole Romer (1644-1710)
27
Harlow Shapley (1885-1972)
28
David Rittenhouse (1732-1796)
29
Giovanni Domenico Cassini (1625-1712)
30
Khaled Saleh Al-Zaaq, 53
31
Edward Sabine (1788-1883)
32
A E Douglass (1867-1962)
33
David Meade
34
Norman Lockyer (1836-1920)
35
John Herschel (1792-1871)
36
Ormsby M. Mitchel (1810-1862)
37
Grote Reber (1911-2002)
38
James Westphal (1930-2004)
39
40
Giovanni Schiaparelli (1835-1910)
41
Brian O'Leary (1940-2011)
42
Ernst Opik (1893-1985)
43
Russell W. Porter (1871-1949)
44
Robert Stawell Ball (1840-1913)
45
George Van Biesbroeck (1880-1974)
46
William Harkness (1837-1903)
47
James E. Keeler (1857-1900)
48
Scientists by Age
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