Alain Connes

French mathematician.

Born April 1st, 1947 (age 79 years) in Draguignan.

Niklas Stark

German footballer.

Born April 14th, 1995 (age 31 years) in Neustadt an der Aisch.

Pere Riba

Spanish tennis player.

Born April 7th, 1988 (age 38 years) in Barcelona.

Yu Zhengsheng

Chairman of the national committee of the chinese people's political consultative conference.

Born April 1st, 1945 (age 81 years) in Yan'an.

Francine Prose

American writer (born 1947).

Born April 1st, 1947 (age 79 years) in Brooklyn.

César Sampaio

Brazilian association football player.

Born March 31st, 1968 (age 58 years) in São Paulo.

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).

Metin Akdülger

Turkish actor (born 1988).

Born April 10th, 1988 (age 38 years) in Bursa.

Ernest Solvay

Belgian chemist, industrialist, philanthropist (1838-1922).

Born April 16th, 1838 in Rebecq-Rognon.

Died May 26th, 1922 at 84 years old in Ixelles.

Leka, Crown Prince of Albania

Head of the house of zogu (1961-2011).

Born April 5th, 1939 in Tirana.

Died November 30th, 2011 at 72 years old in Tirana. ^[ref]