- Tully Potter
French string quartet. It was founded in Paris in 1919 by Joseph Calvet (b Toulouse, 8 Oct 1897; d Paris, 4 May 1984), Georges Mignot, Léon Pascal and Paul Mas. Mignot and Pascal had previously played in Marcel Chailley's quartet. In 1928 the ensemble gave its first Beethoven cycle at the instigation of Nadia Boulanger. In ...