Wiesner, Julius Ritter von#
b. Český Těšín, near Wischau, Czech Republic. Jan. 20, 1838, d. Vienna, Oct. 9, 1916, botanist, plant anatomist and physiologist. From 1870 Professor at the forestry school of Mariabrunn, at the University of Vienna from 1873-1909 (vice-chancellor in 1898/99); teacher at the polytechnical school until 1880. Interested in technological microscopy and plant raw products; founded the Department of Plant Physiology at the University of Vienna in 1873 (the first of this kind); by means of precise research methods, promoted the study of the technological properties of vegetable raw materials. Expeditions to Egypt, India, Java, Sumatra, to the Arctic and North America.
Publications#
Die Rohstoffe des Pflanzenreichs, 1873 (2 vols., 31914/1918); Die Entstehung des Chlorophylls in der Pflanze, 1877; Die heliotropischen Erscheinungen im Pflanzenreiche, 2 vols., 1878/80; Das Bewegungsvermoegen der Pflanzen, 1881; Elemente der wissenschaftlichen Botanik, 3 vols., 1881-1889; Der Lichtgenuss der Pflanzen, 1907; Erschaffung, Entstehung, Entwicklung, 1916.