Jean-Baptiste Languet de Gergy (1674–1750) was parish priest at Eglise Saint-Sulpice in Paris from 1714 to 1748. He was the initiator of the construction of the Gnomon of Saint-Sulpice.[1][2]
- ^ Rougé, p.7-12
- ^ The real history behind the Da Vinci code Sharan Newman p.267