Namesakes
E. T. A. Hoffmann
(a.k.a. Theodor) (m) 1776-1822 
Notable Writers
Theodor Schwann
(m) 1810-1882
Notable Scientists and Inventors
Theodor Mommsen
(m) 1817-1903
Nobel Prize Winners 1902 (literature)
Notable Philosophers and Thinkers
Notable Writers
Theodor Rosetti
(m) 1837-1923
Romanian Presidents and Prime Ministers 1888-1889 (prime minister)
Emil Theodor Kocher
(m) 1841-1917
Nobel Prize Winners 1909 (medicine)
Notable Scientists and Inventors
Abraham Berge
(a.k.a. Theodor) (m) 1851-1936
Norwegian Prime Ministers 1923-1924
Theodor Herzl
(m) 1860-1904
Notable Activists and Revolutionaries
Carl Theodor Zahle
(m) 1866-1946
Danish Prime Ministers 1909-1910; 1913-1920
Theodor Körner
(m) 1873-1957
Austrian Chancellors and Presidents 1951-1957 (president)
Theodor Heuss
(m) 1884-1963
German Chancellors and Presidents 1949-1959 (president)
Theodor Svedberg
(m) 1884-1971
Nobel Prize Winners 1926 (chemistry)
Notable Scientists and Inventors
Theodor Nauman
(m) 1885-1947
Olympic Medalists 1920 water polo (bronze)
Carl Theodor Dreyer
(m) 1889-1968
Notable Filmmakers
Hugo Theorell
(a.k.a. Theodor) (m) 1903-1982
Nobel Prize Winners 1955 (medicine)
Theodor W. Adorno
(m) 1903-1969
Notable Philosophers and Thinkers
Theodor Geisel "Dr. Seuss"
(m) 1904-1991
Notable Writers
Theodor W. Hänsch
(m) 1941-
Nobel Prize Winners 2005 (physics)
Notable Scientists and Inventors
Theodor Stolojan
(m) 1943-
Romanian Presidents and Prime Ministers 1991-1992 (prime minister)
Theo Von
(a.k.a. Theodor) (m) 1980-
Notable Actors and Entertainers (comedian)
Theodor Gebre Selassie
(m) 1986-
Notable Athletes (soccer)
Theódór Elmar Bjarnason
(m) 1987-
Notable Athletes (soccer)