[2] "I remember endlessly walking up the practice slope, skiing over a large bump and falling over," Lunn said at the age of 95.
[4] Espionage writer Richard C. S. Trahair provides this description of Lunn: "He had a slight build and blue eyes, spoke in a soft voice with a lisp, and appeared to be a quiet gentle fellow.
"[3] As head of the SIS station in Vienna, Lunn discovered that beneath the French and British sectors, there were telephone cables that linked field units and airports of the Russian Army to Soviet headquarters.
He got expert advice on tapping these lines, and a private mining consultant agreed to construct a tunnel from the basement of a police post to the main phone cable between the Soviet headquarters in the Imperial Hotel and the Russian military airfield at Schwechat.
Most of the manpower and funds were provided by the Americans, while the technical skills and experience from the Vienna tunnel came from Lunn's officers.
[4] In the event, the KGB was quite happy to let the West snoop on the Red Army, and did not use the tapped lines for disinformation, as that could have led to Blake's exposure.
[7] A full account of the operation from a British perspective is given by espionage writer David A. T. Stafford in his book Spies Beneath Berlin (2002).
[4] In 2008, at a centenary dinner, he became an honorary member of the Alpine Ski Club, which his father Arnold Lunn had founded 100 years earlier.