Thelonious Sphere Monk (1917-1982) was an American jazz pianist and composer who revolutionized modern jazz music. He was known for his unique style that blended bebop, blues, and stride piano. Some of the synonyms or alternative names for Thelonious Sphere Monk include "the High Priest of Bebop," "the genius of modern music," and "the master of melodic invention." He was also sometimes referred to as simply "Monk," a nickname given to him by his childhood friends. Monk left an indelible mark on the jazz world with his influential compositions and piano playing style that continues to inspire musicians to this day.