Henri Matisse | Henri de la Tour d'Auvergne, Vicomte de Turenne | Bernard-Henri Lévy | Henri Dutilleux | Paul-Henri Mathieu | Henri Poincaré | Robert Henri | Henri Mignet | Henri Cartier-Bresson | Henri Fayol | Henri Bendel | Henri Barbusse | Jean-Henri Fabre | Henri-Pierre Roché | Henri Langlois | Henri, Grand Duke of Luxembourg | Henri Fantin-Latour | Paul-Henri Spaak | Jacques-Henri Bernardin de Saint-Pierre | Henri Wallon | Henri Vieuxtemps | Henri Vernes | Henri Salvador | Henri Pousseur | Henri Michaux | Henri Guillaumet | Henri Estienne | Lycée Henri-IV | Henri Tajfel | Henri Sauguet |
In 1968 Henri Bacry and Jean-Marc Lévy-Leblond showed that the de Sitter group was the most general group compatible with isotropy, homogeneity and boost invariance.
•
First proposed by Luigi Fantappiè in 1954, the theory remained obscure until it was rediscovered in 1968 by Henri Bacry and Jean-Marc Lévy-Leblond.