Five people who overcame injury and illness and achieved sensory greatness
Neil Harbisson underwent a controversial surgery to allow him to hear colour
Alix Fox says certain emotions and locations elicit phantom smells
Grant Achatz was running a famous restaurant when he was diagnosed with tongue cancer
Jason Padgett was a party animal before a vicious attack turned him into a maths prodigy
Dennis Aabo SΓΈrensen was the first amputee to feel touch through a prosthetic