People born on August 21

Usain Bolt

Jamaican sprinter

Mohammed

King of Morocco since 1999

Robert Lewandowski

Polish association football player

Sergey Brin

American computer scientist and Internet entrepreneur

William IV

King of the United Kingdom of Great Britain and Ireland and of Hanover from 1830 to 1837

Stephen Hillenburg

American marine science educator and artist (1961-2018)

Augustin-Louis Cauchy

French mathematician (1789–1857)

Jules Michelet

French historian; popularized the historical concept of the Renaissance

Kenny Rogers

American country singer and songwriter (1938–2020)

Wilt Chamberlain

American basketball player (1936–1999)

Leonid Andreyev

Russian playwright, author and poet (1871-1919)

John L. Hall

American physicist

Alizée

French singer

Leonid Hurwicz

Polish-American economist and mathematician (1917-2008)

Princess Margaret, Countess of Snowdon

Younger daughter of King George VI and Queen Elizabeth The Queen Mother