Award-winning agency chief calls it a day The award-winning founder of one of the South West’s best-known and longest-established public relations agencies has announced his decision to step down after 50 years in the industry. John Knowles of JKC Creative Marketing in Falmouth has decided it’s time to hand over the reins to his trusted management team, and in doing so, draws to a close a career in publicity dating back to 1972. Since cutting his copywriting teeth on accounts as diverse as Westland