#TodayinHistory #dataviz #Onthisday #OTD 📊
🎂Mar 21, 1768 Jean Baptiste Joseph Fourier born in Auxerre, Bourgogne, France 🇫🇷
Fourier series, yeah, yeah but also:
In 1821 he developed cumulative frequency curves, showing inhabitants of Paris by age groupings
("Notions Generales, Sur La Population")
