Born on This Day: August 9

English poet, critic, and playwright whose writing shaped Restoration literature and modern literary criticism.

Italian scientist whose molecular hypothesis became foundational to chemistry; Avogadro’s constant bears his name.

Swiss psychologist whose research transformed understanding of children’s cognitive development and education.

Australian-British author whose Mary Poppins books became enduring works of children’s literature.

English actor and writer whose stage and screen performances influenced modern dramatic cinema.

American actor whose distinctive voice and performances have influenced Western and character roles in film.

American actor and comedian whose work has contributed to contemporary stage and screen comedy.

American singer and actor whose voice and recordings transformed contemporary popular music.