* 1909 – Robert Peary and Matthew Henson reach the North Pole.

* 1909 – William M. Branham, American evangelist ( d. 1965 )

* 1909 – Juliana of the Netherlands ( d. 2004 )

* 1909 – F. E. McWilliam, Irish sculptor ( d. 1992 )

* 1909 – Sylvère Maes, Belgian cyclist ( d. 1966 )

* 1909 – Lester Young, American saxophonist ( d. 1959 )

* 1909 – V. K. Gokak, Indian writer ( d. 1992 )

* 1909 – Adam von Trott zu Solz, German diplomat ( d. 1944 )

Monty Noble led Australia to victory in both 1907 – 08 and 1909.

* 1909 – Walter Van Tilburg Clark, American novelist ( d. 1971 )

* 1909 – Alice Huyler Ramsey and three friends become the first women to complete a transcontinental auto trip, taking 59 days to travel from New York, New York to San Francisco, California.

* 1909 – Bill Voce, England cricketer ( d. 1984 )

* 1871 – John Millington Synge, Irish writer ( d. 1909 )

* 1909 – Hugo Winterhalter, American composer and bandleader ( d. 1973 )

* 1909 – Paul Callaway, American organist and conductor ( d. 1995 )

* 1909 – Bruce Matthews, Canadian army officer and businessman ( d. 1991 )

* 1909 – First automobile race at the Indianapolis Motor Speedway takes place.

* 1909 – Nikolay Bogolyubov, Russian mathematician ( d. 1992 )

* 1829 – Carlo Acton, Italian composer and pianist ( d. 1909 )

* 1909 – Michael Rennie, English actor ( d. 1971 )

* 1909 – The Turkish military reverses the Ottoman countercoup of 1909 to force the overthrow of Sultan Abdul Hamid II.

* 1909 – Syd Buller, English cricketer ( d. 1970 )

* 1909 – Leila Danette, American actress

Hermann Ebbinghaus ( January 24, 1850 — February 26, 1909 ) was a German psychologist who pioneered the experimental study of memory, and is known for his discovery of the forgetting curve and the spacing effect.

* 1864 – Hermann Minkowski, German mathematician ( d. 1909 )

** Hermann Lang, German race car driver ( b. 1909 )

** Hermann Ebbinghaus, German psychologist ( d. 1909 )

* Austrian — Noetzel, Hermann: Pierrot's Summer Night ( 1924 ); Schnitzler, Arthur: The Transformations of Pierrot ( 1908 ), The Veil of Pierrette ( 1910 ; with music by Ernö Dohnányi ; see also " Stuppner " among the Italian composers under Western classical music ( instrumental ) below ); Schreker, Franz: The Blue Flower, or The Heart of Pierrot: A Tragic Pantomime ( 1909 ), The Bird, or Pierrot's Mania: A Pantomimic Comedy ( 1909 ).

She had been employed first in Wright's office, and then by the architect Hermann V. von Holst, who had taken over Wright's work in America when Wright abruptly left for Europe in 1909 — eloping with a woman.

* Hermann Ebbinghaus ( 1850 – 1909 )

* Hermann Lang ( 1909 – 1987 ), German race car driver

From 1901 until 1909 he was a professor at the prestigious institute at Göttingen, where he had the opportunity to work with some significant figures including David Hilbert and Hermann Minkowski.

After World War II Dr. Kurt Eissler ( 1909 – 1999 ) and a small group of psychoanalysts who knew Sigmund Freud personally, including Heinz Hartmann, Ernst Kris, Bertram Lewin and Hermann Nunberg, decided to preserve Freud's letters and papers in a single archive.

Hermann Minkowski ( June 22, 1864 – January 12, 1909 ) was a mathematician.

Hermann Muthesius also played an important role in the creation of Germany's first garden city of Hellerau in 1909, the only German garden city where Howard's ideas were thoroughly adopted.

His son Hermann ( 1846 – 1909 ) also became a distinguished painter.

Another Moravian missionary, August Hermann Francke, collected and translated a version from Lower Ladakh between 1905 and 1909.

In 1885, Hermann Ebbinghaus ( 1850 — 1909 ) continued the study of learning.

* Hermann Osthoff ( 1846 – 1909 )

In 1909 it created the first recording of a large orchestral work — and what may have been the first record album — when it released a 4-disk set of Tchaikovsky's Nutcracker Suite with Hermann Finck conducting the London Palace Orchestra.

Hermann Lang ( April 6, 1909 – October 19, 1987 ) was a German champion race car driver.

Another major German experimental psychologist of the era, though he did not direct his own research institute, was Hermann Ebbinghaus ( 1850 – 1909 ).

Roger Arnold Manvell ( October 10, 1909 – November 30, 1987 ) was the first director of the British Film Academy ( a post he filled for over a decade ), author of many books on films and film-making, and authored and co-authored ( with Heinrich Fraenkel ) many books on Nazi Germany, including biographies of Adolf Hitler, Rudolf Hess, Heinrich Himmler, Joseph Goebbels and Hermann Göring.

While this theorem was proved in 1909 and 1910 separately by Hermann Weyl, Wacław Sierpiński and Piers Bohl, variants of this theorem continue to be studied to this day.

* Hermann Lisco 1909 – 1917