Diderot was a scientist. He studied and collected information which was compiled for scientific journals. He drew sketches and diagrams of his observations of flowers, plants, animals, insects, musical instruments, architecture, machinery and anatomy. The list goes on and on. Diderot is attributed to one of the most prolific journals of science, technology and art ever produced. Diderot, however, did not engrave his own plates. His plates were engraved by several different engravers, such as Ber