Robert Whitaker was The Beatles' official photographer from 1964 to 1966, accompanying them around the world and taking pictures that appeared on numerous album sleeves. When The Beatles stopped touring Whitaker co-created the notorious satirical magazine Oz. He later photographed the Vietnam and Indo-Pakistani wars, and collaborated with such diverse personalities as Mick Jagger and Salvador Dali.
Marcus Hearn is a journalist and documentary-maker. He has previously written authorized biographies of filmmakers Gerry Anderson and George Lucas, and compiled photographic books about The Who, Pink Floyd and The Jimi Hendrix Experience.