Feb 10 Claude-Louis Navier, French engineer and physicist who specialized in mechanics (Navier–Stokes equations), born in Dijon, France (d. 1836) Feb 12 Pierre Louis Dulong, French physicist (d. 1838) Feb 21 Karl August Varnhagen von Ense, German biographer, diplomat and soldier (Die Sterner), born in Düsseldorf (d. 1858) Feb 22 Jean Charles Athanase Peltier, French Physicist (Peltier effect 1834), born in Ham, France (d. 1845) 1784 Famous Birthdays by Year 1786