Sir Donald Murdo McCallum CBE FRAeS FREng FRSE FIET (6 August 1922 – 18 October 2011)[1] was a Scottish radar engineer and an important industrialist.
His father, Roderick McCallum, was a headmaster who married Lillian McPhee.
From June 1944 he worked on the short range VHF radio system for Talk Between Ships (TBS).
On the day before D-Day, he had worked on HMS Bulolo, which had directed the landings off Gold Beach.
He lived in his later life from 2007 at Egton with Newland near Ulverston in South Lakeland.