[3] Along with his parents, his older sister, Felicity, and later a younger brother, Peter, he lived in Hong Kong, Antung, and Shanghai, going to the China Inland Missionary School in Chefoo some 500 miles away from his home.

[8] In 1942-3 he attended the de Havilland Aeronautical Technical School, and also volunteered in the Home Guard, where during training he sustained a bullet wound to the hand, the object not being removed for 28 years.

[13] Being made redundant from the aircraft industry in 1962 he took a job as a self-employed insurance salesman, which allowed him to spend more time on a passion he had developed for proving the existence of the Loch Ness Monster, and which was to take over his life.

According to one author The sensational result of Dinsdale's Expedition was to inspire an extraordinary revival of the mystery and trigger two decades of intensive surveillance of the loch's baffling surface.

[22]One consequence was the formation of the Loch Ness Phenomena Investigation Bureau (LNPIB) in 1962 by MP David James with naturalist Sir Peter Scott, which mounted volunteer groups each summer until 1972.

In July 1987 at a two-day symposium in the Royal Scottish Museum's Natural History Department he was made an Honorary Member of the International Society of Cryptozoology (ISC) for your many years of tireless efforts and fieldwork concerning the Loch Ness Monster.

Regardless of whether such an animal exists or not, your dedication to the investigation and the honesty and integrity with which you have proceeded, is unparalleled in the field.In April 2020, the binoculars which Dinsdale used during his expedition featured in an episode of the BBC series The Repair Shop.