John David Blake Butler was an English actor best known for his role as the lecherous chief librarian Mr. Wainwright during the first and third series of Last of the Summer Wine in 1973 and 1976 respectively.
Place of Birth：Barrow-in-Furness, Cumbria, England, UK
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Biography：John David Blake Butler was an English actor best known for his role as the lecherous chief librarian Mr. Wainwright during the first and third series of Last of the Summer Wine in 1973 and 1976 respectively.
