Suggest an edit18:30Top Firm: Heat One: Fort Dunlop, Birmingham v. Fisons Pest Control Limited CambridgeBBC One Thu 13th Jan 1966, 18:30 on BBC One LondonFrom a Midland factoryKenneth Horne is question-master in a new general knowledge tournament between firms from all over Britain.See page 41ContributorsQuestion-master:Kenneth HorneQuestions written by:John P. WynnDirector:John McGonagleProducer:Patricia Owtram Source: Radio Times Suggest an edit