Deux Ascensions au Mont-Blanc en 1869: Recherches Physiologiques Sur le Mal des Montagnes, (Two Ascents at Mont Blanc in 1869: Physiological Studies on Mountain Sickness), M. L. Lortet, 1869
French physician and professor M. L. Lortet (1836–1909) was a former dean of the Faculty of Medicine in Lyon, not far from Mont Blanc. He published many works, including a pamphlet about altitude or “mountain” sickness.