Chuck Berry was the first great rock & roll musician, not a jazz musician.
Its when Jazz first became Big.
The style of jazz that evolved into rock and roll was rhythm and blues. There were several transitional figures who did it, most notable Chuck Berry.
Charles Mingus, Charlie Parker
Chris Wood - jazz musician - was born in 1969.
Eddie Jones - jazz musician - was born in 1929.
Eddie Jones - jazz musician - died in 1997.
Werner Neumann - jazz musician - was born in 1964.
Scott Robinson - jazz musician - was born in 1959.
Howard Johnson - jazz musician - was born in 1941.
Frank Wright - jazz musician - was born in 1935.
Eddie Allen - jazz musician - was born in 1957.