Louis Krasner (1903-1995) was an American violinist and educator, renowned for his contributions to both classical music and contemporary music. Primarily associated with the classical genre, Krasner was influential in promoting and commissioning works for the violin, bridging traditional repertoire with modern compositions. He is notably recognized for his collaborations with several prominent 20th-century composers, including Alban Berg, who wrote the Violin Concerto specifically for him in 1935. Krasner also worked with other notable figures such as Igor Stravinsky and Elliott Carter, further expanding the violin's repertoire and encouraging innovation in composition. Krasner's impact on music extended beyond performance; he was an esteemed educator, teaching at institutions such as the Juilliard School and the University of Massachusetts Amherst. His dedication to the violin and its evolution in contemporary music has left a lasting legacy, influencing generations of musicians and composers. Through his performances and advocacy for new works, Krasner played a pivotal role in shaping the trajectory of 20th-century violin music, ensuring that both classical and contemporary styles flourished in tandem.