Albert Einstein
Albert Einstein (1879-1955) 1
Stephen Hawking
Stephen Hawking, 74 2
Benjamin Franklin
Benjamin Franklin (1706-1790) 3
Sir Isaac Newton
Sir Isaac Newton (1643-1727) 4
Charles Darwin
Charles Darwin (1809-1882) 5
Galileo Galilei
Galileo Galilei (1564-1642) 6
George Washington Carver
George Washington Carver (1864-1943) 7
Jane Goodall
Jane Goodall, 82 8
Madame Curie
Madame Curie (1867-1934) 9
Neil deGrasse Tyson
Neil deGrasse Tyson, 57 10
Abdul Kalam
Abdul Kalam (1931-2015) 11
Joseph Hooton Taylor Jr.
Joseph Hooton Taylor Jr., 75 12
Carl Sagan
Carl Sagan (1934-1996) 13
Sigmund Freud
Sigmund Freud (1856-1939) 14
Louis Pasteur
Louis Pasteur (1822-1895) 15
Martin Heinrich Klaproth
Martin Heinrich Klaproth (1743-1817) 16
Rachel Carson
Rachel Carson (1907-1964) 17
Samuel Morse
Samuel Morse (1791-1872) 18
Spencer Silver
Spencer Silver, 75 19
Garrett Morgan
Garrett Morgan (1877-1963) 20
August Kekule
August Kekule (1820-1896) 21
Nicolaus Copernicus
Nicolaus Copernicus (1473-1543) 22
Alfred Wegener
Alfred Wegener (1880-1930) 23
Alexander Fleming
Alexander Fleming (1881-1955) 24
Tim Berners Lee
Tim Berners Lee, 60 25
Jonas Salk
Jonas Salk (1914-1995) 26
Howard Carter
Howard Carter (1874-1939) 27
Alfred Nobel
Alfred Nobel (1833-1896) 28
Temple Grandin
Temple Grandin, 68 29
John Muir
John Muir (1838-1914) 30
Brian Cox
Brian Cox, 48 31
Niels Hansen
Niels Hansen (1866-1950) 32
Gregor Mendel
Gregor Mendel (1822-1884) 33
Michio Kaku
Michio Kaku, 69 34
Bob Pflugfelder
Bob Pflugfelder, 48 35
Michael Faraday
Michael Faraday (1791-1867) 36
Niels Bohr
Niels Bohr (1885-1962) 37
Erno Rubik
Erno Rubik, 71 38
Benjamin Banneker
Benjamin Banneker (1731-1806) 39
Dmitri Mendeleev
Dmitri Mendeleev (1834-1907) 40
Jacques Cousteau
Jacques Cousteau (1910-1997) 41
Charles Babbage
Charles Babbage (1791-1871) 42
Cyrus McCormick
Cyrus McCormick (1809-1884) 43
Dr Charles Drew
Dr Charles Drew (1904-1950) 44
Robert Fulton
Robert Fulton (1765-1815) 45
Alessandro Volta
Alessandro Volta (1745-1827) 46
Claude E. Shannon
Claude E. Shannon (1916-2001) 47
Johannes Kepler
Johannes Kepler (1571-1630) 48

Ranked by popularity based on boosts and other user activity.