List of Famous people born on December 7th

Heinrich Ernst Karl Jordan was a German-British entomologist. He took a special interest in the taxonomy and classification of butterflies, beetles and fleas. Jordan was a founder of the International Congress of Entomology.

Leopold Kronecker was a German mathematician who worked on number theory, algebra and logic. He criticized Georg Cantor's work on set theory, and was quoted by Weber (1893) as having said, "Die ganzen Zahlen hat der liebe Gott gemacht, alles andere ist Menschenwerk". Kronecker was a student and lifelong friend of Ernst Kummer.

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.

Thomas Joseph Lavin is an American BMX rider and the host of MTV's The Challenge since its eleventh season.