Carl Sagan (1934-1996)
Astronomer
1
Nicolaus Copernicus (1473-1543)
2
Tycho Brahe (1546-1601)
3
Benjamin Banneker (1731-1806)
4
Ibn Al-haytham (965-1040)
5
Johannes Kepler (1571-1630)
6
William Herschel (1738-1822)
7
Edwin Hubble (1889-1953)
8
Clyde Tombaugh (1906-1997)
9
Anders Celsius (1701-1744)
10
Annie Jump Cannon (1863-1941)
11
James Van Allen (1914-2006)
12
Caroline Herschel (1750-1848)
13
Maria Mitchell (1818-1889)
14
George Mueller (1918-2015)
15
Grote Reber (1911-2002)
16
Nancy Grace Roman (1925-2018)
17
Percival Lowell (1855-1916)
18
Harlow Shapley (1885-1972)
19
Norman Lockyer (1836-1920)
20
Nasir Al-din Al-Tusi (1201-1274)
21
Henrietta Leavitt (1868-1921)
22
Phil Plait, 59
23
Giovanni Domenico Cassini (1625-1712)
24
Andrea Ghez, 58
25
Ulugh Beg (1394-1449)
26
Charles Smyth (1819-1900)
27
Ole Romer (1644-1710)
28
David Rittenhouse (1732-1796)
29
Williamina Fleming (1857-1911)
30
A E Douglass (1867-1962)
31
Jan Oort (1900-1992)
32
John Herschel (1792-1871)
33
Ormsby M. Mitchel (1810-1862)
34
James Westphal (1930-2004)
35
Giovanni Schiaparelli (1835-1910)
36
37
Ernst Opik (1893-1985)
38
Robert Stawell Ball (1840-1913)
39
Russell W. Porter (1871-1949)
40
Brian O'Leary (1940-2011)
41
George Van Biesbroeck (1880-1974)
42
James E. Keeler (1857-1900)
43
William Harkness (1837-1903)
44
Edward Sabine (1788-1883)
45
Otto Wilhelm Von Struve (1819-1905)
46
Sheila Widnall, 85
47
Jack Horkheimer (1938-2010)
48
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