The great crypt
Voltaire, Hugo, Curie and their peers — ideal France under one floor.
Camille Gévaudan — CC BY-SA 3.0 · Dietmar Rabich — CC BY-SA 4.0 · Maksim Sokolov (maxergon.com) — CC BY-SA 4.0 · Jebulon for the photograph. Architect of the church: Soufflot . Sculptor of the relief: David d'Angers — Public domain
Presidential decision after national debate, usually — and the deliberations mirror France itself: Curie's 1995 entry as historical correction, Joséphine Baker in 2021 as first Black woman, Missak Manouchian in 2024 as foreign resistant. The crypt is the nation's argument with itself, not a cemetery.
Foucault hung a lead bob on 67 metres of wire from the dome: a pendulum swings in a fixed plane while Earth turns beneath, so its swing appears to drift hour by hour around the dial. The first direct visual proof of rotation needing no stars — and the Paris public stood applauding the planet.
Panthéon at opening, the neighbouring Luxembourg garden, lunch on humming Rue Mouffetard, the Sorbonne and the quarter's lanes, closing at Shakespeare & Company and the Seine. One of Paris's richest days entirely on foot, no metro at all.
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On the summit of the Latin Quarter's Sainte-Geneviève hill stands the Panthéon's dome: a huge church built by Louis XV for a vow, overtaken by the Revolution before consecration and turned into a secular temple 'to great men from a grateful fatherland' — and here great France truly lies. In the crypt: Voltaire and Rousseau face to face, Victor Hugo, Zola and Dumas, Marie Curie — first woman admitted on her own merit — with scientists and Resistance heroes added generation by generation in decisions that convulse French debate every time. The names alone are a history course. And in the nave swings Foucault's pendulum: the device that proved Earth's rotation to a watching public in 1851, still swaying where its maker hung it. From the dome's top (a summer stair) spreads a Paris panorama from the Latin Quarter's heart.
Voltaire, Hugo, Curie and their peers — ideal France under one floor.
The pendulum that showed mankind its turning Earth — swinging since 1851.
Three nested domes — the eighteenth century's boldest engineering.
The dome stair opens in summer over Paris from the Latin Quarter.
Place du Panthéon, 75005 Paris