Claude Frank began piano studies in his native Germany and continued in France and then the United States with Artur Schnabel and Karl Ulrich Schnabel. He studied composition at Columbia University and conducting with Serge Koussevitzky at Tanglewood.
Since his debut with Leonard Bernstein and the New York Philharmonic in 1959, he has performed with most major symphony orchestras in the United States, Europe, and South America, and he has toured on six continents. He has recorded all thirty-two Beethoven piano sonatas for RCA, as well as Mozart concertos and chamber music.
His wife was the late pianist Lilian Kallir. Their violinist daughter, Pamela, graduated from the Curtis Institute of Music in 1989 and is now a member of the faculty.
Mr. Frank is on the faculty of the Yale School of Music, and he joined the faculty of the Curtis Institute of Music in 1988.