He was discovered as a child prodigy by the noted composer George Enescu, and taught by Florica Musicescu.
He had an international career, visited 40 countries, and played under conductors: Sir John Barbirolli, Sir Adrian Boult, Sergiu Celibidache, Sergiu Comissiona, Antal Doráti, Josef Krips, Lorin Maazel, Harold Byrns, Yuval Zaliouk and Alfred Wallenstein.
He also recorded the music of Chopin, Debussy, Enescu, Fauré, Haydn, Liszt, Mozart, Ravel, Shostakovich and Tchaikovsky.
[3] His great performance is the Beethoven Emperor Concerto conducted by Sir John Barbirolli in 1958 on PYE records.
At the age of 52, Katz died of a heart attack on stage during a recital in Istanbul, Turkey,[2] while performing Beethoven's Piano Sonata No.