It was August of the year 1856. Summer was turning to autumn in Elberfeld, a small town in western Germany. Johann Carl Fuhlrott, a teacher at the local high school and an amateur naturalist and fossil collector, was heading purposefully in the southwest direction. A few days earlier Fuhlrott had received a message from a mining foreman working in a valley less than 15 kilometers from Elberfeld: two Italians workers   Read More ...