Jon HisemanPhilip John Albert "Jon" Hiseman (21 June 1944 – 12 June 2018) 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.
He was married to saxophonist Barbara Thompson from 1967 until his death in 2018, following surgery to remove a brain tumor. Provided by Wikipedia