Guillaume-Gabriel Nivers was a French organist, composer and theorist. His first livre d'orgue is the earliest surviving published collection with traditional French organ school forms. Nivers's other
Louis-Nicolas Clérambault
…Clérambault became the organist at the church of the Grands-Augustins and entered the service of Madame de Maintenon. After the death of Louis XIV and Guillaume-Gabriel Nivers, he succeeded the latter at the organ of the church of Saint-Sulpice and the royal house of Saint-Cyr, an institution for young girls from the poor…
Church of Saint Sulpice in Paris, where Nivers worked from the 1650s until his death. This west façade, however, was built only in 1732, after the composer's death. Watercolor by François-Étienne Villeret, first half of the 19th century.