Ken Regan was on the sidelines to watch some of the most iconic sporting and rock 'n' roll events of the last 40 years. In addition to extensive coverage of the Rolling Stones and Bob Dylan, Regan covered several Olympics and Super Bowls before his death on Sunday (Nov. 25). His daughter Suzanne Regan says the cause of death was cancer.

In October 2011 Regan released his greatest hits in a book called 'All Access: The Rock Photography of Ken Regan.' Rolling Stones' frontman Mick Jagger grew close to the Bronx-born photographer, and told Vanity Fair a few stories from the band's 1972 and 1975 tours.

“Those dates were always memorable,” Jagger writes, “as at the end of the show, I covered myself in water, which he always seemed to enjoy documenting. If he got too close, I would throw buckets at him, which, I remember, he took in good sport.”

The Doors, the Eagles, Janis Joplin, Bruce Springsteen, Sting … all were covered extensively by Regan. Rolling Stone reports that he shot the Beatles 1965 tour, and Jimi Hendrix's 1968 Fillmore East show.

"I don't know any other photographer who covered the variety of things he did," good friend and fellow photographer Neil Leifer told "He covered political campaigns and wars, and enough sporting events that he could have been considered a sports photographer, but he was never pigeonholed."

Amongst his most famous sport photos are pictures taken during Muhummad Ali's match against George Foreman in Zaire in 1974. In total he covered over 200 magazines, including Entertainment Weekly, Rolling Stone, Vanity Fair, Sports Illustrated and Time. He also published a 2007 book of boxing photos called 'Knockout: The Art of Boxing.'

The photographer leaves behind two daughters. His age is mystery to non-family members. Suzanne Regan says she will continue her father's legacy of never revealing how old he is. A collection of Regan's work can be found at his Camera 5 website.

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