Ludwig-Musser, William F. Ludwig Senior and his brother Theodor Ludwig founded the Ludwig & Ludwig Co. in 1909 and patented the first workable bass drum pedal system, paving the way for what was to become the modern drum kit.

Theodor W. Adorno (; ; born Theodor Ludwig Wiesengrund ; September 11, 1903 – August 6, 1969 ) was a German sociologist, philosopher and musicologist known for his critical theory of society.

He assigned the technical implementation to the engineer Theodor Kober and later to Ludwig Dürr.

Other famous scholars who have taught at the University of Vienna are: Theodor W. Adorno, Manfred Bietak, Theodor Billroth, Ludwig Boltzmann, Franz Brentano, Anton Bruckner, Rudolf Carnap, Conrad Celtes, Viktor Frankl, Sigmund Freud, Eduard Hanslick, Edmund Hauler, Hans Kelsen, Adam František Kollár, Johann Josef Loschmidt, Fran Miklošič, Oskar Morgenstern, Otto Neurath, Johann Palisa, Pope Pius II, Baron Carl von Rokitansky, August Schleicher, Moritz Schlick, Ludwig Karl Schmarda, Joseph von Sonnenfels, Josef Stefan, Leopold Vietoris, Jalile Jalil, Carl Auer von Welsbach, and Olga Taussky-Todd.

His circle of collaborators in the Zurich church and academy included Gwalther, Konrad Pellikan, Theodor Bibliander, Peter Martyr Vermigli, Johannes Wolf, Josias Simler, and Ludwig Lavater.

Members of the Palatinate provisional government included Nikolaus Schmitt, serving as Minister of the Interior, and Theodor Ludwig Greiner.

Müller mentored such distinguished scientists and physiologists as Hermann von Helmholtz, Emil du Bois-Reymond, Theodor Schwann, Friedrich Gustav Jakob Henle, Carl Ludwig and Ernst Haeckel.

To advise on the project, the Royal Gardener Friedrich Ludwig Sckell ( von Sckell from his knighthood in 1808 ) who had studied landscape gardening in England and had previously worked for Carl Theodor at Schwetzingen, had been summoned to Munich earlier in August.

* Theodor Ludwig Greiner

* Henke, Ernst Ludwig Theodor ( 1865 ).

Its main proponents were Karl Gutzkow, Heinrich Laube, Theodor Mundt and Ludolf Wienbarg ; Heinrich Heine, Ludwig Börne and Georg Büchner were also considered part of the movement.

His son Ernst Ludwig Theodor Henke was a published historian.

Ernst Ludwig Theodor Henke ( 1804 in Helmstedt-1872 in Marburg ), was a German theologian and historian, and the son of the theologian Heinrich Henke.

de: Ernst Ludwig Theodor Henke

sv: Ernst Ludwig Theodor Henke

He was an older brother to botanist Theodor Friedrich Ludwig Nees von Esenbeck ( 1787-1837 ).

* Helmut Klingen, Helmut Rüssmann, Theodor Schneider: Carl Ludwig Siegel, Jahresbericht DMV, Bd. 85, 1983 ( Zahlentheorie, Himmelsmechanik, Funktionentheorie )

Berg passed this on to his students, one of whom, Theodor Adorno, stated: " The main principle he conveyed was that of variation: everything was supposed to develop out of something else and yet be intrinsically different ".

Anthony ( Dresden, 27 December 1755 – Dresden, 6 June 1836 ), also known by his German name Anton ( full name: Anton Clemens Theodor Maria Joseph Johann Evangelista Johann Nepomuk Franz Xavier Aloys Januar ), was a King of Saxony ( 1827 – 1836 ) from the House of Wettin.

In 1896, Theodor Herzl, a Jewish journalist living in Austria-Hungary, published Der Judenstaat (" The Jewish State "), in which he asserted that the only solution to the " Jewish Question " in Europe, including growing antisemitism, was through the establishment of a Jewish State.

As it was the custom in the Orthodox Church, he was baptized with one of his middle names — Theodor, translated into Ukrainian as Bohdan.

This finding was echoed by Theodor Adorno.

Critical theory was established as a school of thought by five Frankfurt School theoreticians: Herbert Marcuse, Theodor Adorno, Max Horkheimer, Walter Benjamin, and Jürgen Habermas.

Edouard van Beneden and Theodor Boveri made the first observation and identification of centrioles in 1883 and 1888 respectively, while the pattern of centriole replication was first worked out independently by Etienne de Harven and Joseph G. Gall circa 1950

Theodor Geisel, better known as children's author Dr. Seuss, was a member of the class of 1925.

Theodor Seuss Geisel (; March 2, 1904 – September 24, 1991 ) was an American writer, poet, and cartoonist most widely known for his children's books written under the pen names Dr. Seuss, Theo LeSieg and, in one case, Rosetta Stone.

Theodor Seuss Geisel was born in Springfield, Massachusetts, to Theodor Robert and Henrietta ( Seuss ) Geisel .< ref name =" early ">

Theodor Bischoff ( 1807 – 1882 ), was a strong opponent of Darwinism.

Emil Theodor Kocher ( 25 August 1841 – 27 July 1917 ) was a Swiss physician, medical researcher, and Nobel laureate for his work in the physiology, pathology and surgery of the thyroid.

The FDP's first Chairman, Theodor Heuss, was formerly a member of the DDP and after the war of the Democratic People's Party ( DVP ).

The musician Theodor Uhlig ( 1822 – 1853 ) was an illegitimate son of Frederick Augustus.

Holmium was discovered by Swedish chemist Per Theodor Cleve.

In 1896 Theodor Herzl published Der Judenstaat ( The Jewish State ), in which he asserted that the solution to growing antisemitism in Europe ( the so-called " Jewish Question ") was to establish a Jewish state.

HK was founded by engineers Edmund Heckler, Theodor Koch, and Alex Seidel in 1949 from the remnants of the Mauser company ; the company was registered in 1950.

On 19 October 2011, Judge Theodor Meron ( United States ) was elected the new President of the ICTY by the permanent judges in a Special Plenary Session.

Zionism was formally established by the Austro-Hungarian journalist Theodor Herzl in the late 19th century following the publication of " Der Judenstaat ".

" Goebbels asked rhetorically in a debate with Theodor Vahlen, Gauleiter ( regional party head ) of Pomerania, in the Rhineland party newspaper National-sozialistische Briefe ( National-Socialist Letters ), of which he was editor, in mid-1925.

* Theodor Escherich, bacteriologist and paediatrician, born in Ansbach in 1857.

Theodor Holm Nelson ( born June 17, 1937 ) is an American sociologist, philosopher, and pioneer of information technology ( IT sociolosopher ).

Born in Frankfurt, Anton de Bary was one of ten children born to physician August Theodor de Bary ( 1802 – 1873 ) and Emilie Meyer de Bary.

* Theodor Casella, bank clerk, born 8 August 1900.

* Theodor von der Pfordten, county court councillor, who had fought in World War I ; born 14 May 1873 in Bayreuth.

Theodor Gottfried Liesching ( born 14 August 1865 in Stuttgart ; died 25 July 1922 in Böblingen ) was a German jurist and politician.

The novelist Theodor Fontane, the architect Karl Friedrich Schinkel, the lieutenant colonel Otto Friedrich Ferdinand von Görschen, the general Hermann Hoth, the serial killer Karl Großmann and the actor Klaus Schwarzkopf were born in Neuruppin.

Theodor Nöldeke ( 2 March 1836 – 25 December 1930 ) was a German Semitic scholar, who was born in Harburg and studied in Göttingen, Vienna, Leiden and Berlin.

* November 17-Karl Theodor Keim, theologian ( born 1825 )

* Teuvo Tulio ( born Theodor Antonius Tugai, 1912 – 2000 ) Finnish film director and actor born in Rēzekne.

Rosenstock-Huessy was born Eugen Friedrich Moritz Rosenstock in Berlin, Germany on July 6, 1888, to Theodor and Paula Rosenstock.

Kaluza had a son ( born 1910 ), also named Theodor Kaluza (: de: Theodor Kaluza ( Mathematiker )) who was a notable mathematician.

* July 27-Emil Theodor Kocher ( born 1841 ), 1909 winner of the Nobel Prize in Physiology or Medicine.

Friedrich Karl Theodor Zarncke ( 7 July 1825 – 15 October 1891 ), German philologist, was born at Zahrensdorf, Mecklenburg-Schwerin, the son of a country pastor.

Mehmed Emin Pasha ( March 28, 1840 – October 23, 1892 ) — he was born Isaak Eduard Schnitzer and baptized ( c. 1847 ) Eduard Carl Oscar Theodor Schnitzer — was a physician, naturalist, and governor of the Egyptian province of Equatoria on the upper Nile.

The famed nineteenth-century classicist and legal scholar Theodor Mommsen was born in Bad Oldesloe in 1817.

* Theodor Kullak-Pianist and composer born in Krotoszyn.

Theodor Dumitru Stolojan (; born 24 October 1943 ) is a Romanian politician.