List of Famous people born in December

Sereno Watson was an American botanist. Graduating from Yale in 1847 in Biology, he drifted through various occupations until, in California, he joined the Clarence King Expedition and eventually became its expedition botanist. Appointed by Asa Gray as assistant in the Gray Herbarium of Harvard University in 1873, he later became its curator, a position he maintained until his death. Watson was elected a Fellow of the American Academy of Arts and Sciences in 1874, and a member of the National Academy of Sciences in 1889.

Gyula Zsengellér was a Hungarian footballer who played as a striker. A legend of Újpest FC, he is most famous for his part in taking the Hungarian national team to the 1938 World Cup Final. He was that tournament's second-highest scorer, behind Leonidas of Brazil.

Clement Claiborne Clay, also known as C. C. Clay Jr., was a United States Senator (Democrat) from the state of Alabama from 1853 to 1861, and a Confederate States Senator from Alabama from 1862 to 1864. His portrait appeared on the Confederate one-dollar note.

George Wildman Ball was an American diplomat and banker. He served in the management of the US State Department from 1961 to 1966 and is remembered most as the only major dissenter against the escalation of the Vietnam War. He refused to publicize his doubts, which were based on calculations that South Vietnam was doomed. He also helped determine American policy regarding trade expansion, Congo, the Multilateral Force, de Gaulle's France, Israel and the rest of the Middle East, and the Iranian Revolution.