At the age of 93, Dr John Frederick Wilkinson is one of Britain's oldest practising GPs.
He's renowned for his scientific discoveries, but he also claims a number of remarkable non-medical firsts. He's trained sea-lions as bomb-detectors, invented the zip-fly, and deloused the Sadlers
Wells Corps de Ballet. Reporter
Fay Wertheimer. Producer Wendy Pilmer
Contributors Unknown: Dr John Frederick Wilkinson
Unknown: Fay Wertheimer.
Producer: Wendy Pilmer