Today is Roger Penrose's 92nd birthday.
To celebrate, here is his contribution to our 'When did you know it was Maths?' films, in which he explains how he was very nearly lost to medicine.
The 'When did you know it was Maths?' films are stories of mathematical epiphanies and gradual dawns from our students and researchers as they describe how they came to be mathematicians. You can watch more in the series via our YouTube Channel along with over 80 student lectures and many public lectures.