Blaise Pascal was born in Clermont-Ferrand in 1623, and the city takes its association with the polymath philosopher, mathematician, and physicist seriously — the international airport is named after him, and a plaque on the Rue des Gras in the old town marks his birthplace. The Musée d'Art Roger-Quilliot nearby holds some Pascal-related material, but the main connection is in the atmosphere of the old town itself: Pascal grew up in this compact medieval city, studied here, and performed his famous barometric experiment on the Puy de Dôme in 1648 (by proxy, using his brother-in-law Florin Périer).
For visitors interested in the history of science, the Pascal connection gives Clermont-Ferrand an additional layer. The experiment on the Puy de Dôme — demonstrating that atmospheric pressure decreases with altitude — was one of the key events in early modern physics. Standing on the summit today, it is easy to understand why a seventeenth-century physicist chose this particular peak.