Jon Hiseman, English drummer (died 2018)

Philip John Albert "Jon" Hiseman was an English drummer, recording engineer, record producer, and music publisher. He played with the Graham Bond Organisation, with John Mayall & the Bluesbreakers and later formed what has been described as the "seminal" jazz rock/progressive rock band, Colosseum. He later formed Colosseum II in 1975.

June 21 is the 172nd day of the year in the Gregorian calendar; 193 days remain until the end of the year.