Ferdinand Julius Cohn
German botanist and bacteriologist. Professor extraordinarius, University of Breslau, 1859; professor, 1872. Founded the first institute for plant physiology, at Breslau, in 1866. In 1870, founded the journal Beiträge zur Biologie der Pflanzen, in which the earliest articles on bacteriology appeared. Worked on unicellular algae, and attempted to devise a system of classification for lower plants based on Darwinian transmutation theory. Foreign member, Royal Society of London, 1897.