1783 #Jacquescharles #museumscienceindustry @msichicagoJacques Charles, in full Jacques-Alexandre-César Charles, (born November 12, 1746, Beaugency, France—died April 7, 1823, Paris), French mathematician, physicist, and inventor who, with Nicolas Robert, was the first to ascend in a hydrogen balloon (1783). About 1787 he developed Charles’s law concerning the thermal expansion of gases.

1783 #Jacquescharles #museumscienceindustry @msichicagoJacques Charles, in full Jacques-Alexandre-César Charles, (born November 12, 1746, Beaugency, France—died April