Len Cleal (left) with Tony Lenny in 1965
Len Cleal (January 26th, 1935 - March 15th, 2012) was the assistant editor on Thunderbird 6. He also contributed to Thunderbirds and adapted a handful of episodes for Century 21 Records. Cleal later worked for Gerry and Sylvia Anderson on Joe 90 (1968-69) and The Secret Service (1969).
He died on 15 March 2012, aged 77.