Jann Wenner is a prominent figure in the world of music journalism. He is best known as the co-founder and publisher of "Rolling Stone" magazine, which he started in 1967 along with music critic Ralph J. Gleason. "Rolling Stone" became a highly influential publication that covered not only music but also politics and popular culture. Wenner played a significant role in shaping the landscape of music journalism by providing a platform for in-depth interviews, critical reviews, and coverage of emerging artists and cultural movements. His contributions to the magazine industry, particularly in the realm of music journalism, have had a lasting impact.