Joseph-Nicolas Delisle (1688-1768) was a French astronomer who went to Russia, where he founded the observatory of St. Petersburg. His brother, Guillaume Delisle (1675-1726), reformed French cartography by introducing a method for fixing positions by astronomical observation.
Avastatud: 26-7-1992 Avastamiskoht: Caussols Avastajad: Elst, E. W.