Svante Pääbo

Swedish-estonian biologist, paleogeneticist.

Born April 20th, 1955 (age 70 years) in Stockholm.

Trey Radel

American political journalist.

Born April 20th, 1976 (age 49 years) in Cincinnati.

Massimo D'Alema

Italian politician.

Born April 20th, 1949 (age 76 years) in Rome.

Alex Black

American actor.

Born April 20th, 1989 (age 36 years) in Redwood City.

George Vernon Hudson

English-born new zealand entomologist and astronomer (1867–1946).

Born April 20th, 1867 in London. ^[ref]

Died April 5th, 1946 at 78 years old in Karori. ^[ref]

Alela Diane

American singer-songwriter.

Born April 20th, 1983 (age 42 years) in Nevada City.

Charles David Keeling

American scientist (1928-2005).

Born April 20th, 1928 in Scranton.

Died June 20th, 2005 at 77 years old in Hamilton (myocardial infarction).

Mohammed Ghani Hikmat

Sculptor (1929-2011).

Born April 20th, 1929 in Kadhimiya.

Died September 17th, 2011 at 82 years old in Amman. ^[ref]

Ian Watson

British science fiction writer (born 1943).

Born April 20th, 1943 (age 82 years) in St Albans.

Joseph Wolpe

American behavior therapist.

Born April 20th, 1915 in Johannesburg.

Died December 4th, 1997 at 82 years old in Los Angeles.