

A daring French geologist who gave his name to the Dolomite Alps, blending scientific exploration with a life of high adventure.
Déodat de Dolomieu lived with the intensity of a Romantic hero, his scientific pursuits forever intertwined with peril and politics. Born into the minor nobility, he was kicked out of the Maltese Order as a teenager for killing a man in a duel, a violent start that set the tone for a restless life. He turned his energy to the emerging science of geology, embarking on arduous journeys across the Alps, Italy, and Sicily. It was during these travels in the 1790s that he identified the unique carbonate rock that would later be named 'dolomite' in his honor by a colleague. Dolomieu was not a cloistered academic; he was a man of action caught in the tides of history. His scientific reputation won him a place on Napoleon's expedition to Egypt, but on the return voyage he was captured and imprisoned in Sicily for nearly two years under brutal conditions. His release was a cause célèbre among European scientists. He died young, his body worn out by hardship, but left an indelible mark on the map and on the understanding of the Earth's crust.
The biggest hits of 1750
The world at every milestone
At age 18, he was sentenced to life imprisonment for killing a fellow knight in a duel, but his sentence was commuted due to his youth.
He was held as a prisoner of war in a Sicilian fortress for 21 months, where he continued his mineralogical studies.
The largest summit crater on the Piton de la Fournaise volcano on Réunion Island is named 'Dolomieu Crater'.
He was a correspondent of Benjamin Franklin, with whom he shared scientific ideas.
“I name these mountains for the bitter-tasting stone they contain.”