GRENFELL, Sir WILFRED THOMASON (1865-1940), medical missionary and author, was born at Parkgate, Cheshire, 28 February 1865, the second of the four sons of the Rev. Algernon Sidney Grenfell, headmaster and proprietor of Mostyn House School, Parkgate, by his wife, Jane Georgina Hutchinson, daughter of a colonel in the Indian army.