About Guillaume Teasdale Guillaume Teasdale is assistant professor of history and director of the Detroit River Border Region Digital History Project at the University of Windsor. Books by Guillaume Teasdale Fruits of Perseverance The French Presence in the Detroit River Region, 1701-1815 by (author) Guillaume Teasdale French and Indians in the Heart of North America, 1630 - 1815 edited by Robert Englebert & Guillaume Teasdale