The guitarist, singer and songwriter, who died at 78, cut his own path among his elders in the Grateful Dead, and beyond.

Bob Weir, a founding member of the iconic American rock group the Grateful Dead who seemingly never stopped touring for six decades, has died, according to a statement posted to his official website.

Bob Weir, founding member of the Grateful Dead, has died at age 78 after dealing with "underlying lung issues." ...