Theodor Herzl (2 May 1860 – 3 July 1904) was an Austro-Hungarian Jewish journalist, lawyer, writer, playwright and political activist who was the father...

(NHL) Theodor Burghele, Romanian surgeon, President of the Romanian Academy Theodor Busse, German general during World War I and World War II Theodor Cazaban...

Ernst Hermann August Theodor Busse (15 December 1897 – 21 October 1986) was a German officer during World War I and World War II. Busse, a native of Frankfurt...

David Owen Theodor (died 1624), whose own son Richard served as Sheriff of Anglesey in 1623. He was father of another Richard Owen Theodor, the fifth...

Theodor Seuss Geisel (/suːs ˈɡaɪzəl, zɔɪs -/ sooss GHY-zəl, zoyss -⁠; March 2, 1904 – September 24, 1991) was an American children's author and cartoonist...

brother Count Mentula Muzaka of Clissura or today called Kelcyra. Theodor I, the son of Andrea I Muzaka, inherited his father's property after his death in 1319...

Karl-Theodor, Duke in Bavaria (9 August 1839 – 30 November 1909), was a member of the House of Wittelsbach and a professional oculist. He was the favorite...

Theodor W. Adorno (/əˈdɔːrnoʊ/ ə-DOR-noh, German: [ˈteːodoːɐ̯ ʔaˈdɔʁno] ; born Theodor Ludwig Wiesengrund; 11 September 1903 – 6 August 1969) was a German...

Theodor Severin Kittelsen (27 April 1857 – 21 January 1914) was a Norwegian artist. He is one of the most popular artists in Norway. Kittelsen became...

Carl Theodor Dreyer (Danish: [ˈkʰɑˀl ˈtsʰe̝ːotɒ ˈtʁɑjˀɐ]; 3 February 1889 – 20 March 1968), commonly known as Carl Th. Dreyer, was a Danish film director...

years with five monarchs: Henry VII, Henry VIII, Edward VI, Mary I and Elizabeth I. The Tudors succeeded the House of Plantagenet as rulers of the Kingdom...

Theodor Aman (20 March 1831 – 19 August 1891) was a Romanian painter, engraver and art professor. He mostly produced genre and history scenes. His father...

Christian Matthias Theodor Mommsen (German: [ˈteːodoːɐ̯ ˈmɔmzn̩] ; 30 November 1817 – 1 November 1903) was a German classical scholar, historian, jurist...

Theodor Gilbert Morell (22 July 1886 – 26 May 1948) was a German medical doctor known for acting as Adolf Hitler's personal physician. Morell was well...

Theodor Eicke (17 October 1892 – 26 February 1943) was a senior SS functionary and Waffen SS divisional commander during the Nazi era. He was one of the...

Theodor Duesterberg (German pronunciation: [ˈdyːstɐbɛʁk]; 19 October 1875 – 4 November 1950) was a leader of Der Stahlhelm in Germany prior to the Nazi...

Theodor Fontane (German pronunciation: [ˈtʰeːodoɐ̯ fɔnˈtaːnə] ; 30 December 1819 – 20 September 1898) was a German novelist and poet, regarded by many...

Theodor Fritsch (born Emil Theodor Fritsche; 28 October 1852 – 8 September 1933) was a German publisher and journalist. His antisemitic writings did much...

Theodor Gomperz (March 29, 1832 – August 29, 1912), Austrian philosopher and classical scholar, was born at Brno (Brünn). Gomperz studied at Brno and...

Theodor Bergmann (May 21, 1850 in Sailauf – March 23, 1931 in Gaggenau) was a German businessman and industrialist best remembered for the various revolutionary...

Karl Theodor Richard Lessing (8 February 1872, Hanover – 31 August 1933, Marienbad) was a German Jewish philosopher. He is known for opposing the rise...

directly to the duodenum. The operation is most closely associated with Theodor Billroth, but was first described by Polish surgeon Ludwik Rydygier. The...

colonel in the Austro-Hungarian Armed Forces during World War I. He was great nephew of poet Theodor Körner and was distantly related to Bertha von Suttner,...

Theodor Heuss (German: [ˈteːodoːɐ̯ ˈhɔʏs] ; 31 January 1884 – 12 December 1963) was a German liberal politician who served as the first president of West...

Theodor Wolfgang Hänsch (German pronunciation: [ˈteːodoːɐ̯ ˈhɛnʃ] ; born 30 October 1941) is a German physicist. He received one-third of the 2005 Nobel...

Theodor Leschetizky (sometimes spelled Leschetitzky; Polish: Teodor Leszetycki; 22 June 1830 – 14 November 1915 was an Austrian-Polish pianist, professor...

Theodor Paleologu (Romanian pronunciation: [teˈodor ˌpale.oˈloɡu]; born July 15, 1973) is a Romanian historian, diplomat and politician. An independent...

Theodor Blum (September 25, 1883 – July 24, 1962) has been described as “the most outstanding oral surgeon in America”... He was a pioneer in local anesthesia...

Theodor Seitz (Mannheim, 12 September 1863 – Baden-Baden, 28 March 1949) was a German colonial governor. He studied law at the University of Heidelberg...

Theodore I of Corsica (25 August 1694 – 11 December 1756), born Freiherr Theodor Stephan von Neuhoff, was a German adventurer who was briefly King of...