John Waldman, professor of biology at Queens College, CUNY Aquatic conservation biologist John Waldman will present the sixth annual Roque Island Lecture on Environmental Conservation on Thursday, March 28 at the University of Maine at Machias. The lecture, “Atlantic Rivers: Migratory Fish, Dams, Energy Production and Thoreau,” will be held at read more John Waldman to speak at annual Roque Island Lecture on Environmental Conservation