Isaac S. Yarnall, a life member of the Institute, died on May 19th, 1906, at the age of seventy-two years. He was born in East Willistown, Chester County, Pennsylvania, on March 17th, 1834, his parents being Peter and Amy Yarnall . During his youth he attended the schools of the neighborhood and having a great liking for study subsequently became a school teacher. He taught school in all for a period of about ten years, in Newtown and elsewhere. While engaged in teaching school he married Susanna Williamson, daughter of Azariah Williamson , of Newtown Township, Delaware County. He subsequently, gave up school teaching and came to Media to live, taking up his residence on West State Street and subsequently at the corner of Fourth and Orange Streets, at which latter place he resided until the death of his wife some years ago. After coming to Media he engaged in the phosphate business, establishing a plant here, and also having an interest in enterprises of a like nature in New Jersey. During the latter few years of his life he resided the greater part of the time at Cape May, New Jersey. He leaves to survive him his only sister, Abbie Y. Steele of Swarthmore, Pennsylvania.

Mr. Yarnall became a member of the Institute in 1867. He always took the greatest interest in its welfare and was elected a member of the Board of Curators, of which body he served as chairman for many years. His energy and skill guided the Institute through many a perilous financial storm in its earlier existence and very much of its present prosperity is due to his untiring efforts.