Forsythe was born in
Westtown Township, Pennsylvania on January 17, 1916, and attended the local public schools. He served as secretary on the
Moorestown Township, New Jersey Board of Adjustment from 1948 to 1952, was a member of the Moorestown Committee from 1953 to 1962, serving as
Mayor of Moorestown, New Jersey from 1957 to 1962, and was chairman of the Moorestown Planning Board from 1962 to 1963. He was a member of the executive board of the
New Jersey State League of Municipalities from 1958 to 1962. Forsythe was elected to the
New Jersey Senate, where he served from 1964 to 1970. He was a delegate to the New Jersey Constitutional convention in 1966 and selected as a delegate to the
1968 Republican National Convention. Forsythe was elected simultaneously as a Republican to the 91st and to the 92nd Congress by special election to fill the vacancy caused by the resignation of United States Representative
William T. Cahill to become
Governor of New Jersey, and reelected to the seven succeeding Congresses (November 3, 1970 – March 29, 1984). Forsythe represented
New Jersey's 6th congressional district until 1983. In redistricting following the
1980 United States census, Forsythe was shifted to
New Jersey's 13th congressional district, where he was elected for a single term in office. Forsythe died at the age of 68 at his home in Moorestown Township on March 29, 1984, due to
lung cancer. His remains were cremated and his ashes interred at Union Street Friends Cemetery,
Medford, New Jersey. ==Legacy==