Calum Maclean
Maclean was born in Òsgaig, Isle of Raasay, Scotland, into a family of five boys and two girls. His father was Malcolm MacLean (1880–1951), who was a tailor. His mother, Kirsty (1886–1974), was the daughter of Sorley Mor Nicolson of Braes, Skye, and his wife, Ishabel.
Bonnie MacLean
Bonnie MacLean was born in 1939 in Philadelphia, and grew up in nearby Trenton, New Jersey. She graduated from Pennsylvania State University in 1961 with a degree in French. She moved to New York after graduating college, where she worked at the Pratt Institute and took drawing classes in the evenings. MacLean moved to San Francisco in 1963, where she met Bill Graham at her office job at Allis-Chalmers, he had been her boss.