List of Famous people named Theodor

Theodor Schwann was a German physician and physiologist. His most significant contribution to biology is considered to be the extension of cell theory to animals. Other contributions include the discovery of Schwann cells in the peripheral nervous system, the discovery and study of pepsin, the discovery of the organic nature of yeast, and the invention of the term metabolism.

Gustav Heinrich Theodor Eimer was a German zoologist.

Theodor Kober was a twentieth-century German aviation engineer who contributed to the building of the first Zeppelin.

Theodor Friedrich Ludwig Nees von Esenbeck was a German botanist and pharmacologist, who was born in Schloss Reichenberg near Reichelsheim (Odenwald). He was a younger brother to naturalist Christian Gottfried Daniel Nees von Esenbeck (1776–1858).

Theodor Zwinger the Elder was a Swiss physician and Renaissance humanist scholar. He made significant contributions to the emerging genres of reference and travel literature. He was the first distinguished representative of a prominent Basel academic family.

Theodor Krancke was a naval commander (admiral) of Nazi Germany during World War II and a recipient of the Knight's Cross of the Iron Cross with Oak Leaves.