Jean-François Pilâtre de Rozier (French pronunciation: ​[ʒɑ̃ fʁɑ̃swa pilɑtʁ də ʁozje]) (30 March 1754 – 15 June 1785) was a French chemistry and physics teacher, and one of the first pioneers of aviation. He made the first manned free balloon flight with François Laurent d'Arlandes on 21 November 1783, in a Montgolfier balloon. He later died when his balloon crashed near Wimereux in the Pas-de-Calais during an attempt to fly across the English Channel. His companion Pierre Romain and he thus became the first known fatalities in an air crash.