Karl Wendlinger

Austrian racecar driver.

Born December 20th, 1968 (age 56 years) in Kufstein.

Sidney Hook

American philosopher.

Born December 20th, 1902 in New York City.

Died July 12th, 1989 at 86 years old in Stanford.

Robert Sedgewick

American computer scientist.

Born December 20th, 1946 (age 78 years).

David Forde

Irish association football player.

Born December 20th, 1979 (age 45 years) in Galway.

Vali Nasr

American academic and author.

Born December 20th, 1960 (age 64 years) in Tehran.

Paul Francis Webster

American lyricist.

Born December 20th, 1907 in New York City. ^[ref]

Died March 22nd, 1984 at 76 years old in Beverly Hills. ^[ref]

Arturo Márquez

Mexican composer.

Born December 20th, 1950 (age 74 years) in Álamos.

Léandre Tawamba

Cameroonian footballer.

Born December 20th, 1989 (age 35 years) in Yaoundé.

Nicușor Dan

Romanian political activist and mathematician.

Born December 20th, 1969 (age 55 years) in Făgăraș.

Knut Wicksell

Swedish economist.

Born December 20th, 1851 in Maria Magdalena parish. ^[ref]

Died May 3rd, 1926 at 74 years old in Danderyd parish. ^[ref]