This week's program is about a man who's become an international pioneer in a significant but unlikely field.
A failed medical school student turned journalist, Peter Ford hit the big time in the US as a CNN anchorman.
He travelled extensively and covered many big stories around the world.
But beneath the telegenic exterior an 'inner nerd' was lurking.
Using his self-taught computer code-writing skills, Peter developed software that enables the most severely disabled people to communicate.
His invention has even attracted the interest of Professor Stephen Hawking...
