31 Aug 2019

Inventor Keith Alexander - Springfree tramps to flying machines

From Saturday Morning, 9:06 am on 31 August 2019
  • Listen duration 52:16
  • Download: Ogg|MP3

He's designed bald patch detectors, giant chairs, shoes that let you walk on water, flying machines, and amphibious cars.

But Keith Alexander is best known for his invention of the Springfree trampoline. Reputedly the world's safest, more than half a million have sold worldwide.

But success comes with the ever-present threat of rip-off merchants copying his designs, and sometimes strained relations with the investors backing his ideas.