Biography of Philo P. Stewart of Pawlet, VT Pawlet (VT) One Hundred Years Hiel Hollister   1867 J. Munsell, Albany STEWART, PHILO P., nephew of Deacon John Penfield, served an apprenticeship to the harness business under him.  About 1825 he went as lay missionary to the western Indians, where he continued a few years.  He next turns up in Troy, N.Y., where he has achieved a wide reputation as the inventor of the Stewart stove