From cryptanalysis and the cracking of the German Enigma Code during the Second World War to his work on artificial intelligence, Alan Turing was without doubt one of the greatest minds of the 20th century. An extraordinarily gifted mathematician, he is rightly regarded as the father of computer science having set in place the formal rules that govern the way every computer code ever written actually work. This lecture will be a celebration of one man's enigmatic yet ultimately tragic life - a whirlwind tour of his genius, from whether computers can have consciousness to how a leopard gets its spots.