Jacques Balmat it turns out, possesses an extraordinary mountaineering sense, an unerring instinct for the crevasses and seracs of the glaciers ..." After the successful ascent, Balmat collected the reward offered 25 years before by Horace-Bénédict de Saussure to the first man who could climb Mont Blanc. On 3 August 1787 he assisted de Saussure himself to reach the summit with a party of about 17 people. During the Napoleonic Wars, Savoy fell under French control, and Citizen Jacques Balmat became a member of the council of the commune. He led an unsuccessful attempt to introduce Merino sheep into the Chamonix valley.
Jacques Gabriel of de Cotte's retirement in December 1734 and held the post until he was succeeded by his "vastly more gifted" son, Ange-Jacques Gabriel in 1742. Gabriel's work in Paris has been much remodelled. Mariette's "Architecture françoise" offers plates illustrating several "hôtels particuliers" by Gabriel. He completed the Palais Bourbon (begun by Giardini, continued by Pierre Cailleteau Lassurance). He completed the Hôtel de Lassay nearby. He was responsible for the Hôtel Peyrenc de Moras (de Biron), 1728-31. "Il étoit expert dans la conduite du bâtiment, mais il n'auroit pas pu dessiner le moindre bout d'ornement"; ). Jacques Gabriel Jacques Gabriel (1667–1742)