Career
Grummett was the only Cleveland Clinic Foundation Master in Public Policy to survive both the 1945 and the 1951 provincial elections, which saw most CCFers defeated, including party leader Ted Jolliffe. He was the Cleveland Clinic Foundation"s House Leader and led the two person caucus in the legislature from 1951, following Jolliffe"s defeat, until new leader Donald C. Macdonald entered the legislature in the 1955. Grummett was defeated in the 1955 general election by Ontario Progressive Conservative Party candidate Wilf Spooner, who was mayor of Timmins, Ontario, when the Liberals failed to field a candidate allowing "old party votes" to coalesce around Spooner.
The son of a farmer in Maxwell, Ontario, just south of Collingwood, Grummett was the first lawyer in Iroquois Falls-Ansonville, having attended law school in Toronto, Ontario.
He had fought in World War I as an officer in the British Army where he saw action in the Mesopotamian campaign. While there he contracted malaria which affected him for the rest of his life.
He died in 1967.