Mont Blanc massif led to calls to limit access to the most popular summits and for the mountains to be treated with greater respect. The Mont Blanc massif has provided numerous opportunities for academic research, dating back to the very first ascent of Mont Blanc in 1786 during which Michel Paccard carried scientific equipment to confirm it as the highest summit. In 1820, an ill-fated expedition led by Dr Hamel included pigeons intended for release at varying altitudes to measure the impact of reduced air density on their ability to fly. In 1890, Joseph Vallot built a small meteorological observatory at approximately between
Michel Martin Drolling and precision of detail. He died in Paris. His most important pupils include Paul Baudry, , Jules Breton, Theodor Aman, Roger Fenton, , Charles Joshua Chaplin, Pierre-Victor Galland, Jean-Jacques Henner, Cornelius Krieghoff, Armand Laroche, , Charles Nègre, John Charles Robinson, Jules-Émile Saintin, Théophile Schuler and William Strutt. Michel Martin Drolling Michel Martin Drolling (7 March 1786 – 9 January 1851) was a neoclassic French painter, painter of history and portraitist. He was born in Paris. There, he began painting under the supervision of his father, the painter Martin Drolling. After 1806, he studied with Jacques-Louis David. He won the Prix