Willa Cather (born December 7, 1873) US novelist
Noam Chomsky (born December 7, 1928) U.S. linguist, philosopher
Visit Chomsky's website https://chomsky.info
Watch Noam Chomsky talk about language in this 1989 interview
here
Dom Joseph Pothier (born December 7, 1835) French monk (Benedictine), Gregorian chant scholar, composer – Les mélodies grégoriennes: d’après la tradition (French Edition) / Traditional Gregorian Melodies (1880)
Abd al-Rahman al-Sufi [عبدالرحمن صوفی] (born December 7, 903) Persian astronomer – Book of Fixed Stars