Katherine Wilkes Fotch said her father had primary lateral sclerosis and died of a heart attack, The New York Times reported Saturday.
In addition, the artist did album work for George Harrison, Eric Clapton, Joe Cocker and Dave Mason.
Wilkes also gained notoriety for creating posters for the first Monterey International Pop Festival that took place in June 1967. His success with the festival advertisement helped land Wilkes a job as art director for A&M Records, where he embraced album cover design.
The Times said Wilkes, who died June 28, also is survived by a brother and three grandchildren.
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