Born on This Day: May 12

British nurse and statistician whose reforms established modern nursing and transformed hospital sanitation and public health.

English poet and artist whose work helped found the Pre-Raphaelite movement and influenced Victorian art and literature.

French composer whose operas became enduring works of the international repertory.

Canadian-American chemist whose low-temperature research advanced thermodynamics and chemical measurement.

American actor whose independence and performances expanded women’s roles and authority in cinema.

British chemist whose X-ray crystallography revealed the structures of penicillin, vitamin B12, and insulin.

American baseball player and manager whose achievements and distinctive language became enduring parts of sports culture.

American comedian whose language, social criticism, and performance style transformed modern stand-up comedy.