Orchestre Lamoureux
He settled in Italy, and during the Second World War was active in the partisan movement. He married and settled in Switzerland in 1947 following the war. He pursued his conducting career worldwide. He became permanent conductor of the Orchestre Lamoureux in Paris in the 1950s, conducted the Spanish RTVE Orchestra in 1965, the London Symphony Orchestra in 1966 and was also permanent conductor of the Monte-Carlo Philharmonic Orchestra.