Tim Hillier-Graves was born in North London in 1951. From an early age he was fascinated by steam locomotives. In 1972, Tim joined the Navy Department of the MOD and saw wide service in many locations. He retired in 2011, having specialized in Human Resource Management, then the management of the MOD's huge housing stock as one of the department`s Assistant Directors for Housing. On the death of his uncle in 1984, he became the custodian of a substantial railway collection and in retirement has spent considerable time reviewing and cataloging this material. He has published a number of books on locomotives and aviation.