Gil Evans, the American jazz innovator, was a visionary composer, arranger, bandleader, and pianist who left an indelible mark on the genre from the 1940s through the 1980s. Born in 1912, Evans was a key figure in the development of cool jazz, blending big band orchestration with a softer, more subtle sound. His collaborations with Miles Davis, notably on the groundbreaking albums "Birth of the Cool" and "Sketches of Spain," showcased his unique ability to merge classical, Latin, and jazz influences. Evans' work transcended traditional boundaries, incorporating elements of hard bop and bebop into his compositions. His intricate arrangements and rich harmonic language continue to inspire musicians and captivate audiences, making him a true legend in the world of jazz.