Happy Birthday to these Leo's who were born on August 9th.

  1. 1201 - Arnold Fitz Thedmar, English chronicler (d. 1274)
  2. 1593 - Izaak Walton, English angler (d. 1683)
  3. 1631 - John Dryden, English Poet Laureate (d. 1700)
  4. 1648 - Johann Michael Bach, German composer (d. 1694)
  5. 1653 - John Oldham, English poet (d. 1683)
  6. 1674 - František Maxmilián Kanka, Czech architect (d. 1766)
  7. 1722 - Augustus William, Prince of Prussia (d. 1758)
  8. 1726 - Francesco Cetti, Italian Jesuit scientist (d. 1778)
  9. 1757 - Thomas Telford, Scottish civil engineer (d. 1834)
  10. 1776 - Amedeo Avogadro, Italian chemist (d. 1856)
  11. 1797 - Charles Robert Malden, British naval officer (d. 1855)
  12. 1805 - Joseph Locke, English railway and civil engineer (d. 1860)
  13. 1809 - William Barret Travis, commander at Battle of the Alamo
  14. 1845 - André Besette, Canadian religious figure (d. 1937)
  15. 1871 - Leonid Andreyev, Russian writer (d. 1919)
  16. 1872 - Archduke Joseph August of Austria, Austrian field marshal (d. 1962)
  17. 1874 - Reynaldo Hahn, Venezuelan composer and conductor (d. 1947)
  18. 1896 - Jean Piaget, Swiss psychologist (d. 1980)
  19. 1896 - Lev Vygotsky, Russian psychologist (d. 1934)
  20. 1896 - Erich Hückel, German physicist (d. 1980)
  21. 1899 - P. L. Travers, Australian author (d. 1996)
  22. 1901 - Charles Farrell, American actor (d. 1990)
  23. 1902 - Zino Francescatti, French violinist (d. 1991)
  24. 1909 - Adam von Trott zu Solz, German diplomat opposing the Nazi regime (executed) (d. 1944)
  25. 1911 - William Alfred Fowler, American physicist, Nobel Prize Laureate (d. 1996)
  26. 1914 - Tove Jansson, Finnish author, the creator of the Moomins (d. 2001)
  27. 1914 - Ferenc Fricsay, Hungarian conductor (d. 1963)
  28. 1919 - Joop den Uyl, Prime Minister of the Netherlands (d. 1987)
  29. 1919 - Ralph Houk, baseball player and manager
  30. 1920 - Enzo Biagi, Italian journalist and writer
  31. 1921 - J. James Exon, American politician, 36th Governor of Nebraska & United States Senator from Nebraska
  32. 1922 - Philip Larkin, English poet (d. 1985)
  33. 1925 - David A. Huffman, Creator of Huffman coding (d. 1999)
  34. 1927 - Daniel Keyes, American author
  35. 1927 - Robert Shaw, English actor (d. 1978)
  36. 1928 - Bob Cousy, American basketball player
  37. 1931 - Mário Zagallo, Brazilian football coach and player
  38. 1931 - Chuck Essegian, baseball player
  39. 1933 - Tetsuko Kuroyanagi, Japanese television personality and children's author
  40. 1936 - Julián Javier, baseball player
  41. 1938 - Leonid Kuchma, Ukrainian politician
  42. 1938 - Rod Laver, Australian tennis player
  43. 1939 - Romano Prodi, Prime Minister of Italy, former President of the European Commission
  44. 1939 - Brito, Brazilian footballer
  45. 1940 - Beverlee McKinsey, American actress
  46. 1942 - Tommie Agee, Baseball player (d. 2001)
  47. 1943 - Ken Norton, American boxer
  48. 1944 - Sam Elliott, American actor
  49. 1945 - Posy Simmonds, English cartoonist
  50. 1948 - Bill Campbell, baseball player
  51. 1949 - Jonathan Kellerman, American writer
  52. 1952 - Prateep Ungsongtham Hata, Thai politician
  53. 1957 - Melanie Griffith, American actress
  54. 1959 - Kurtis Blow, American rapper
  55. 1959 - Stuart Hughes, Canadian actor
  56. 1961 - Amy Stiller, American actress
  57. 1962 - Kevin Mack, American football player
  58. 1962 - Louis Lipps, American football player
  59. 1963 - Whitney Houston, American singer and actress
  60. 1964 - Brett Hull, Canadian-born hockey player
  61. 1967 - Deion Sanders, American football player
  62. 1968 - Gillian Anderson, American actress
  63. 1968 - Eric Bana, Australian actor
  64. 1968 - Karyn Parsons, American actress
  65. 1969 - Troy Percival, baseball player
  66. 1970 - Rod Brind'Amour, hockey player
  67. 1970 - Arion Salazar, American musician (Third Eye Blind)
  68. 1971 - Davide Rebellin, Italian cyclist
  69. 1971 - Mack 10, American rapper
  70. 1972 - Juanes, Colombian singer
  71. 1972 - A-Mei, Taiwanese singer
  72. 1973 - Kevin McKidd, Scottish actor
  73. 1973 - Filippo Inzaghi, Italian footballer
  74. 1974 - Mahesh Babu, Indian film actor
  75. 1974 - Matt Morris, baseball player
  76. 1976 - Jessica Capshaw, American actress
  77. 1976 - Rhona Mitra, English actress
  78. 1977 - Chamique Holdsclaw, American basketball player
  79. 1977 - Mikael Silvestre, French footballer
  80. 1978 - Audrey Tautou, French actress
  81. 1980 - Ryu Seung-beom, South Korean actor
  82. 1985 - Hayley Peirsol, American swimmer
  83. 1985 - Luca Filippi, Italian racing driver
  84. 1994 - Forrest Landis, American actor