Which two musicians are associated with jazz devolpment in the 1940s?

Two key musicians associated with jazz development in the 1940s are Charlie Parker and Dizzy Gillespie. They were instrumental in the emergence of bebop, a complex and innovative style of jazz that emphasized improvisation and intricate melodies. Parker's virtuosic Saxophone playing and Gillespie's innovative Trumpet techniques helped redefine jazz and influenced countless musicians in the years that followed. Their collaboration and individual artistry played a crucial role in shaping the direction of modern jazz.