Chris McManus uncovers the secrets of a collection of 6000 dusty old postcards that turned up in a forgotten cupboard in the Psychology Department of University College London. It started with two medium-sized cardboard boxes. When Richard Rawles of the Department opened them, he found the cards, with postmarks dating from August 1953. They were addressed to the BBC Television Service, and the search was on to find out how they came to be there and what information they contained. Download and start listening now!