31 January

Thomas Wintour, Ambrose Rookwood, Robert Keyes, and Guy Fawkes died on 31 January 1606

30 January

Ernst Heinkel died on 30 January 1958

29 January

Fritz Haber died on 29 January 1934

28 January

Greg Jarvis,Christa McAuliffe,Ronald McNair,Ellison Onizuka,Judith Resnik,Michael J. Smith, andDick Scobee died on 28 January 1986

27 January

Virgil "Gus" Grissom, Edward H. White II and Roger B. Chaffee died on 27 January 1967

26 January

Edward Anthony Jenner died on 26 January 1823

25 January

Stephen Cole Kleene died on 25 January 1994

24 January

Moritz Werner Fenchel died on 24 January 1988

23 January

William Baffin died on 23 January 1622

22 January

Marie Ennemond Camille Jordan died on 22 January 1922

21 January

Vladimir Ilyich Ulyanov died on 21 January 1924

20 January

Roland Mushat Frye died on 20 January 2005

19 January

Theodor Franz Eduard Kaluza died on 19 January 1954

18 January

Adolf Friedrich Johann Butenandt died on 18 January 1995

17 January

Albert Schatz died on 17 January 2005

16 January

Robert Jemison Van de Graaff died on 16 January 1967

15 January

Dru Drury died on 15 January 1804

14 January

Sergei Pavlovich Korolev died on 14 January 1966

13 January

Alexander Stepanovich Popov died on 13 January 1906

12 January

Pierre de Fermat died on 12 January 1665

11 January

Edmund Percival Hillary died on 11 January 2008

10 January

Adrien-Marie Legendre died on 10 January 1833

9 January

Anson Jones died on 9 January 1858

8 January

Galileo Galilei died on 8 January 1642

7 January

Nikola Tesla died on 7 January 1943

6 January

Georg Ferdinand Ludwig Philipp Cantor died on 6 January 1918

5 January

Harold Clayton Urey died on 5 January 1981

4 January

Topsy died on 4 January 1903

3 January

Edgar Cayce died on 3 January 1945

2 January

Angelo Fausto Coppi died on 2 January 1960

1 January

Johann Bernoulli died on 1 January 1748