Herbert Sorkin attended Juilliard School of Music in New York after graduating from Mar-Ken School in 1937. He is a highly regarded professional musician, the violin being his instrument of choice.
From the 1936 Lawlor Professional School Yearbook:
Herbert Sorkin was a junior in 1936.
From the December 3, 1936 Lawlor Journal:
Herbert Sorkin was mentioned as in the twelfth grade, senior class.
From the September 27, 1940 Mar-Ken Journal:
ALUMNI: Herbert Sorkin is finishing his last year at the Juilliard School of Music in New York.