Highway Patrol (U.S. TV series) use many radio codes for brevity and clarity. The "Highway Patrol" show radio call signs are CHP-style, except California Highway Patrol uses the first part to indicate the geographic region/office. Dan Mathews unit "21-50" would be a CHP unit at office 21, which is in Napa County, California. "Star Trek" creator Gene Roddenberry wrote five episodes, sometimes using the pseudonym "Robert Wesley". Future producer Quinn Martin is sound supervisor in the show's early years; style elements of "Highway Patrol" are evident in his later productions: ("The Untouchables", "The Fugitive", "Barnaby Jones", "The Invaders", "The FBI" and "The Streets of San
John Percival (TV producer) series producer of "Gardeners' World" and Channel 4's "Real Gardens". Percival was the author of three books on the documentary subjects of his programmes, "Living in the Past" (1980), "For Valour" (a history of the Victoria Cross, 1985) and "The Great Famine: Ireland's Potato Famine, 1845-1851" (1995). Percival and his first wife, the TV presenter and author Jacky Gillott, had two sons; she took her own life in 1980. He married his second wife, Lalage, in 1984, and they had a daughter. He contracted cancer and died in London on 6 February 2005. John Percival (TV producer) John Percival (1937-2005),