André Boucourechliev
Born: 28th July 1925, Sofia, Bulgaria
Died: 13th November 1997, Paris, France
Nationality: French
André Boucourechliev was a French composer of Bulgarian origin.
Born in Sofia, Boucourechliev studied piano at the Conservatory there. Subsequently, he studied in Paris at the École Normale de Musique de Paris, where he later taught piano. His first attempts at composition date from 1954, when he was engaged in the famous contemporary music sessions at Darmstadt. He honed his compositional technique by seeking out Berio and Maderna in Milan.
Read more at https://en.wikipedia.org/wiki/André_Boucourechliev