 Dismayed, he concluded that they were too expensive to buy and too complicated to make.Whilst on holidays in Glengarriff in the West of Ireland during August 1936, Gannon met his future wife, Margaret Key from Harrow in London; they married in 1942.In London with Margaret, who was visiting her parents, Gannon went to the Benton Fletcher collection of keyboard instruments, which was then in Chelsea, and measured a harpsichord by Jacob and Abraham Kirckman (1777).