Born on This Day: March 21

German composer whose sacred and instrumental works became foundational to Western music.

French mathematician and physicist whose analysis of heat and periodic functions became fundamental to science and engineering.

Mexican president whose liberal reforms defended constitutional government, national sovereignty, and separation of church and state.

Russian composer whose bold harmonies and dramatic realism influenced modern music.

American theatrical producer whose elaborate revues helped shape Broadway spectacle and popular entertainment.

American philanthropist whose institutions supported population research, Asian cultural exchange, education, and the arts.

Syrian poet and diplomat whose accessible writing on love, society, and politics became influential throughout the Arab world.

British theater director whose innovative productions transformed modern staging, actor training, and international performance.