François Michel de Rozière
Encyclopedia
François Michel de Rozière (29 September 1775, Melun
Melun
Melun is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France. Located in the south-eastern suburbs of Paris, Melun is the capital of the department, as the seat of an arrondissement...

 - 4 November 1842, Melun) was a French mining engineer.

Life

He was a member of the Commission des Sciences et des Arts during the French invasion of Egypt of 1798 and travelled up and down the Nile valley looking for stones of all kinds. In January 1799 he explored the Fayum region. On Dolomieu's premature departure in March 1799 he became chief mineralogist to the expedition. In December he took part in the reconnaissance for the Cairo-Suez itinerary, then in November 1800 he and the engineer Coutelle
Jean-Marie-Joseph Coutelle
Jean-Marie-Joseph Coutelle was a French engineer, scientist and pioneer of ballooning.-Life:...

 were authorised to accompany the 1,800-camel-strong Tor caravan to Sinai. During this desert journey he added observation of the local population to his scientific work, thinking that the landscape's physical state must show signs of the ancient way of life. It was in this vein that he wrote his colossal work on minerals, a very detailed study of the measuring system of ancient Egypt
Ancient Egypt
Ancient Egypt was an ancient civilization of Northeastern Africa, concentrated along the lower reaches of the Nile River in what is now the modern country of Egypt. Egyptian civilization coalesced around 3150 BC with the political unification of Upper and Lower Egypt under the first pharaoh...

.

On his return to France he rose to engineer in chief in 1810, becoming a professor at the École des Mines at Saint-Étienne
Saint-Étienne
Saint-Étienne is a city in eastern central France. It is located in the Massif Central, southwest of Lyon in the Rhône-Alpes region, along the trunk road that connects Toulouse with Lyon...

 in 1819. He was chief engineer of the mines at Nevers
Nevers
Nevers is a commune in – and the administrative capital of – the Nièvre department in the Bourgogne region in central France...

 from 1828, then a chevalier de la légion d'honneur, before being allowed to retire in 1832. Returning to Paris, he died, overwhelmed by infirmities following a fall from a horse in around 1813.
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