Theodor Seuss Geisel (Dr. Seuss)
American author
Theodor Herzl
born Benjamin Ze'ev Herzl, father of modern Zionism, playwright, journalist, and political activist
Theodor Mommsen
winner of the Nobel Prize in Literature
Theodor Adorno
German philosopher
Theodor Fontane
German writer
Theodor Heuss
German politician and publicist
Theodor Innitzer
Austrian Catholic cardinal
Emil Theodor Kocher
Swiss medical researcher, recipient of the Nobel Prize in Physiology or Medicine
Theodor Svedberg
Swedish chemist, Nobel Prize in Chemistry laureate
Theodor Zwinger
Swiss scholar
