When Boris Morros asked her opinion on which instrumentalist to include in his forthcoming film Carnegie Hall, Soria suggested the cellist Gregor Piatigorsky, not realizing that Morros had been one of Piatigorsky's teachers.
In 1939, Édouard's son Guy joined the French Army and daughter Jacqueline escaped with her husband Gregor Piatigorsky to the United States.
He was admitted at the age of sixteen to the Curtis Institute of Music in Philadelphia where he studied with Gregor Piatigorsky, who engaged him as a teaching assistant in 1949.
Gregor Schlierenzauer | Gregor Piatigorsky | Gregor Mendel | Gregor Schneider | Jozsef Gregor | Gregor Wentzel | Gregor Gysi | Nora Gregor | Gregor Ziemer | Gregor MacGregor | Gregor Benko | Gregor Žerjav | Gregor Kiczales | Gregor Gall | Gregor Edmunds | Gregor Collins | Francis Gregor (MP) | Francis Gregor | Clan Gregor | A. James Gregor | Johan Gregor van der Schardt | Gregor Strniša | Gregor Schoeler | Gregor Rajh | Gregor McGregor | Gregor Jordan | Gregor Fisken |
Other performers in Timișoara have included pianists Annie Fischer, Artur Rubinstein, and Carlo Zecchi; violinists Bronisław Huberman, Fritz Kreisler, Jacques Thibaud, and Eugène Ysaÿe; and cellists Pablo Casals and Gregor Piatigorsky.
Since 1932, the Conservatoire has regularly hosted concerts by prestigious musicians from across the globe, among them Vladimir Horowitz, Nathan Milstein, Gregor Piatigorsky, and Alexander Borovsky.
In 1973 Revenaugh became the first General Director of the Institute For Advanced Music Study in Crans-Montana, Switzerland; a full scholarship international programme with faculty that included Zino Francescatti, Gregor Piatigorsky, Ib Lanzky-Otto and Rudolf Kempe.
From 1986–1993, he held the post of "Gregor Piatigorsky Endowed Chair in Violoncello" at the USC Thornton School of Music in Los Angeles; he was only the second person to ever hold the title, following Piatigorsky himself.