Alexander Tschirch Alexander Tschirch was a German-Swiss pharmacist born in Guben . He received pharmacy training in Dresden and at the Berner Staatsapotheke . From 1878 to 1880 he studied at the University of Berlin , earning his PhD at Freiburg in 1881, followed by a degree in botany from Berlin in 1884 . In 1889–90 he took a study tour of India, Ceylon and Java . From 1890 to 1932 he was a professor of pharmacy and pharmacognosy at the University of Bern , serving as rector in 1908–09. Tschirch is known for his studies in plant anatomy and for his research of resins and anthraquinone glycosides . He made significant contributions towards the fourth and fifth editions of the Pharmacopoeia Helvetica . He was the author of twenty books and numerous journal articles — among his written works is "Die Harze und die Harzbehälter mit Einschluss der Milchsäfte ", a highly regarded reference book on resins and other plant extracts.Written works Untersuchungen über das Chlorophyll – Investigations of chlorophyll . Grundlagen der Pharmakognosie – Fundamentals of pharmacognosy. Angewandte Pflanzenanatomie – Applied plant anatomy. Untersuchungen über die Sekrete – Investigations of secretions. Indische Heil- und Nutzpflanzen – Indian medicinal and useful plants . Das Kupfer, vom Standpunkte der gerichtl. Chemie, Toxikologie und Hygiene -- Copper, from the standpoint of chemistry , toxicology and hygiene . by the University and State Library Düsseldorf Anatomischer Atlas der Pharmakognosie – Anatomical atlas of pharmacognosy. Beziehungen des Chlorophylls zum Blutfarbstoff – Relationships of chlorophyll to hemoglobin . Versuch einer Theorie der organischen Abführmittel, welche Oxymethylanthrachinone enthalten – Theory of organic laxatives which contain oxymethylanthrachinone. Die Harze –- Resins . Anatomischer Atlas der Pharmakognosie und Nahrungsmittelkunde :. – Anatomical atlas of pharmacognosy and "food science". by the University and State Library Düsseldorf Die Harze und die Harzbehälter mit Einschluss der Milchsäfte Handbuch der Pharmakognosie . – Textbook of Pharmacognosy. Terminologie und Systematik im pharmakochemischen Systeme der Drogen, speziell in der Kohlehydrat-o gruppe by the University and State Library Düsseldorf Les Problèmes modernes de la Pharmacognosie by the University and State Library Düsseldorf Erlebtes und Erstrebtes: Lebenserinnerungen . – memoirs.
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