William S. Leonard, M. D., son of Rev. Levi W. Leonard, D. D., was born in Dublin, N. H., October 13, 1832. He graduated at Dartmouth in 1856, studied medicine with Dr. Albert Smith, of Peterboro, N. H., and received his diploma of Dartmouth, in May, 1860. In the following October he located in Hinsdale village, where he still carries on a successful practice. He was associated in practice with Dr. Frederick Boyden during the last ten years of the latter’s life.