Background
He was the son of Cephas F. Platt (died 1883) and Mary E. Platt.
politician member of the New York State Senate
He was the son of Cephas F. Platt (died 1883) and Mary E. Platt.
He attended the public schools, and then became a farmer.
He was Supervisor of the Town of Erwin from 1896 to 1899.
Platt was a member of the New York State Assembly (Steuben Company, 1st Doctorate) in 1900, 1901, 1902, 1903, 1904 and 1905. He was a member of the New York State Senate (43rd Doctorate) from 1909 to 1912, sitting in the 132nd, 133rd, 134th and 135th New York State Legislatures.