Leonard Stogel (September 23, 1934 - May 25, 1979), music business manager/promoter/producer/executive for California Jam and California Jam II, Sweathog, The Cowsills, Sam the Sham, Tommy James & The Shondells, Redbone, Gentle Giant, Napoleon XIV, The Royal Guardsmen, and other musical groups. Coincidentally, Stogel's parents, Julius and Doris (Eisenberg) Stogel, had earlier perished on American Airlines Flight 1. He died when American Airlines Flight 191 crashed on May 25, 1979.