John McMillan's Log Cabin Academy, Washington County, PA, as it appeared in the early 1880s.

Credit: History of Washington County, with Biographical Sketches of Many of its Prominent Men. Edited by Boyd Crumrine Philadelphia, Pa.: L.H. Everts and Co., 1882.

Modeled on the backcountry seminary that William Tennent founded in Bucks County in the mid-1700s, this modest timber structure became the seedbed for learning in western Pennsylvania.