found: His An Edinburgh address on design & industry, 1917:t.p. (Frank Pick)
found: LC data base, 3-8-91(hdg.: Pick, Frank, 1878-1941)
found: WWW 1941-1950p. 912 (Pick, Frank; b. 11/23/1878 in Spalding, Lincs, England; d. 11/7/1941; employee of the London underground)
found: Oxford dictionary of national biography WWW site, 3 Nov., 2017(Pick, Frank, transport administrator, was born at Spalding, Lincolnshire, on 23 November 1878; In 1902, Pick entered the service of the North Eastern Railway Company; In 1906 Gibb went to London to take over the management of the Metropolitan District and London Underground Electric Railways and took Pick with him; Pick became a joint assistant managing director in 1921 and three years later assumed full administrative control under Ashfield; He became joint managing director in 1928 and, when the London Passenger Transport Board was formed in 1933 with Ashfield as chairman, Pick was the natural choice for vice-chairman and chief executive officer; died at his home, 15 Wildwood Road, Golders Green, Middlesex, on 7 November 1941) - http://www.oxforddnb.com/view/article/35522