* Andrew Ainslie Common ( 1841 – 1903 ), built his own very large reflecting telescopes and demonstrated that photography could record astronomical features invisible to the human eye.

* 1903 – The Kishinev pogrom in Kishinev ( Bessarabia ) begins, forcing tens of thousands of Jews to later seek refuge in Israel and the Western world.

* 1903 – Mickey Cochrane, American baseball player ( d. 1962 )

* 1903 – Harold Edgerton, American electrical engineer ( d. 1990 )

* 1903 – Jan Tinbergen, Dutch economist, recipient of the Bank of Sweden Prize ( d. 1994 )

* 1903 – Ferenc Keserű, Hungarian water polo player ( d. 1968 )

* 1819 – Sir George Stokes, 1st Baronet, Irish-English mathematician and physicist ( d. 1903 )

After what the MCC saw as the problems of the earlier professional and amateur series they decided to take control of organising tours themselves, and this led to the first MCC tour of Australia in 1903 – 04.

* 1903 – Fall of the Ottoman Empire: an unsuccessful uprising led by the Internal Macedonian Revolutionary Organization against Ottoman Turkey, also known as the Ilinden – Preobrazhenie Uprising, takes place.

In Serbia Nikola Pašić ( 1845 – 1926 ) and his Radical Party dominated Serbian politics after 1903 ; they also monopolized power in Yugoslavia from 1918 to 1929 ; during the dictatorship of the 1930s, it furnished the prime minister.

* 1903 – Macedonian rebels in Kruševo proclaim the Kruševo Republic, which exists only for 10 days before Ottoman Turks lay waste to the town.

* 1903 – Habib Bourguiba, Tunisian politician ( d. 2000 )

* 1903 – Louis Leakey, Kenyan-English archaeologist ( d. 1972 )

* 1903 – A 30 million cubic-metre landslide kills 70 in Frank, Alberta, Canada.

* 1876 – Alexander I of Serbia ( d. 1903 )

* Adrian ( costume designer ) ( 1903 – 1959 ), born Adrian Adolph Greenberg, costume designer for over 250 films

* Adrian Rollini ( 1903 – 1956 ), American multi-instrumentalist best known for his jazz music

* 1903 – German engineer Karl Jatho allegedly flies his self-made, motored gliding airplane four months before the first flight of the Wright brothers.

* 1903 – James Gould Cozzens, American novelist ( d. 1978 )

* 1903 – Lewis Sargent, American actor ( d. 1970 )

* 1826 – Karl Gegenbaur, German anatomist ( d. 1903 )

* 1903 – Arpad Elo, American chess player, created the Elo rating system ( d. 1992 )

Alexander I or Aleksandar Obrenović ( Cyrillic: Александар Обреновић ; 14 August 1876 – 11 June 1903 ) was king of Serbia from 1889 to 1903 when he and his wife, Queen Draga, were assassinated by a group of Army officers, led by Colonel Dragutin Dimitrijević

His grandfather, an amateur naturalist by the name of Walter Drawbridge Crick ( 1857 – 1903 ), wrote a survey of local foraminifera ( single-celled protists with shells ), corresponded with Charles Darwin, and had two gastropods ( snails or slugs ) named after him.

It was finished in 1903 with the help of Arthur's brother, Walter Davidson.

Statue of John Graves Simcoe first Lieutenant-Governor of Ontario | Lieutenant-Governor of Upper Canada by Walter Seymour Allward 1903 Queen's Park ( Toronto )

In the early 20th century, people like Ordway Tead ( 1891 – 1973 ), Walter Scott and J. Mooney applied the principles of psychology to management, while other writers, such as Elton Mayo ( 1880 – 1949 ), Mary Parker Follett ( 1868 – 1933 ), Chester Barnard ( 1886 – 1961 ), Max Weber ( 1864 – 1920 ), Rensis Likert ( 1903 – 1981 ), and Chris Argyris ( 1923-) approached the phenomenon of management from a sociological perspective.

* August 9 – Walter O ' Malley, American baseball executive ( b. 1903 )

* British — Knight, Laura: Clown ( n. d .); Sickert, Walter: Pierrot and Woman Embracing ( 1903 – 1904 ), Brighton Pierrots ( 1915 ; two versions ).

* Walter S. Gurnee ( 1805 – 1903 ), a mayor of Chicago

* Walter O ' Malley ( 1903 – 1979 ), baseball executive, owner of the Los Angeles Dodgers

* Walter Jurmann ( 1903 – 1971 ), composer

He achieved further attention when his drawings were exhibited in the British Art Section of the St. Louis Exposition and the Paris International Exhibition, and in 1903 he won a silver medal at the National Competition of Schools of Art, where the judges, who included Walter Crane and Byam Shaw, praised his " remarkable sense of colour and great vigour of conception.

), London: Walter Scott Publishing Co., 1903, ( Series: The makers of British art ).

* Ian Campbell, 11th Duke of Argyll ( 1903 – 1973 ) ( grandson of Lord Walter Campbell, third son of the 8th Duke )

In 1903, Charles Rennie Mackintosh built the Hill House for the publishing tycoon Walter Blackie.

The Standard Motor Company was founded in Coventry, England in 1903 by Reginald Walter Maudslay ( 1871 – 1934 ).

* Sir Walter Cooper MBE, Australian politician ( 1903 – 10 )

She held a place in the prestigious Tree Studio building in Chicago from 1903 through 1905 along with other well-known painters such as Pauline Palmer, Walter Marshall Clute, Louis Betts, and sculptor Julia Bracken Wendt, with whom she developed a close friendship.

Walter Sneyd of Bagington Rectory, Coventry ( sold London, Sotheby's, Dec. 19, 1903, no.

* Charles Walter James Dormer, 15th Baron Dormer ( 1903 – 1975 )

Walter Reginald " Wally " Hammond ( 19 June 1903 – 1 July 1965 ) was an English Test cricketer who played for Gloucestershire in a career that lasted from 1920 to 1951.

Sir Walter Merriman established ' Merryville ' one of the country's most famous sheep studs and arguably its leading fine-wool establishment in 1903.

Walter " Walt " Dumaux Edmonds ( July 15, 1903 Boonville, New York – January 24, 1998 ) was an American author noted for his historical novels, including the popular Drums Along the Mohawk ( 1936 ), which was successfully made into a Technicolor feature film in 1939 directed by John Ford and starring Henry Fonda and Claudette Colbert.

Walter Greenwood ( 17 December 1903 – 13 September 1974 ) was an English novelist, best known for the socially influential novel Love on the Dole ( 1933 ).

Walter S. Gurnee ( March 9, 1813 – April 18, 1903 ; buried in Sleepy Hollow, New York ) served as Mayor of Chicago ( 1851-3 ) for the Democratic Party.

Charles and Hannah had 13 children: Charles ( 1838 – 1903 ), Frederick ( 1839 – 1905, married Anne Jane Sutcliffe ), Elizabeth ( 1840 – 1912, married Thomas Boyes ), Henry ( 1842 – 1866 ), Ellen ( 1844 – 1845 ), Edward ( 1845 – 1845 ), Walter ( 1846 – 1911 ), Thirza Ann ( 1849 – 1929, married Robert William Skilton ), Edmund ( 1851 – 1923, married Annie Morris ), Emily ( 1853 – 1923 ), Jessie ( 1855 – 1904 ), Arthur William ( 1857 – 1946, married Eliza Jane Wilson ), and Horace ( 1859 – 1867 ).