Rubinstein was born in Łódź, Congress Poland (part of the Russian Empire for the entire time Rubinstein resided there) on January 28, 1887, to a Jewish family. He was the youngest of seven children of Felicja Blima Fajga (née Heiman) and Izaak Rubins...
Katsaris was born in Marseilles, France. Katsaris first began to play the piano when he was four, in Cameroon where he grew up. His first teacher was Marie-Gabrielle Louwerse. He studied piano at the Paris Conservatoire with Aline van Barentzen and ...