About Bill Kreutzmann
William Kreutzmann Jr. is an American drummer and founding member of the rock band Grateful Dead. He played with the band for its entire thirty-year career, usually alongside fellow drummer Mickey Hart, and has continued to perform with former members of the Grateful Dead in various lineups, and with his own bands BK3, 7 Walkers and Billy & the Kids. At the end of 1964 Kreutzmann co-founded the band the Warlocks, along with Dana Morgan, Jr. (who was soon replaced by Phil Lesh), Jerry Garcia, Bob Weir, and Ron "Pigpen" McKernan. Their first gig was May 5, 1965, two days before Kreutzmann's nineteenth birthday.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.