Born on May 10

Karl Barth was a Swiss Reformed Protestant theologian and a major figure of 20th-century Christian thought. The founder of "dialectical theology," he profoundly renewed Protestantism and opposed the Nazi grip on the German Churches.

British-born American astronomer (1900–1979), she discovered that stars are composed primarily of hydrogen and helium. Her 1925 doctoral thesis revolutionized astrophysics, even though her conclusions were initially rejected by her peers.

Ellen Ochoa is an American engineer and astronaut, the first woman of Hispanic origin to travel into space in 1993. A specialist in optical systems, she flew four missions aboard the space shuttle and later directed NASA's Johnson Space Center.

A pioneering American playwright, Suzan-Lori Parks was the first Black woman to win the Pulitzer Prize for Drama, for *Topdog/Underdog* in 2002. Her work explores African-American identity, collective memory, and history through experimental and poetic language.