German physician; born March 10, 1848, at Frankfort-on-the-Oder. He received his education at the gymnasium of his native town and at the University of Berlin, whence he graduated as doctor of medicine in 1870. After having been assistant to Kussmaul, Traube, and Von Leyden in Berlin, he settled in the German capital, becoming lecturer at the university in 1877. He was a nephew of Traube (d. 1876), the third volume of whose "Gesammelte Beiträge zur Pathologic und Physiologic" he published in 1878. Fränkel received the title of "Professor" in 1884, and became director of the medical department of the Am Urbanplatz Hospital, Berlin.
Following in the footsteps of Traube, Fränkel's first works were on experimental pathology, among them being the following: "Ueber den Einfluss der Verminderten Sauerstoffzufuhr zu den Geweben auf den Eiweiszerfall," in Virchow's "Archiv," vol. lxvii.; with Von Leyden, "Ueber die Grösse der Kohlensäureausscheidung im Fieber," ib. vol. lxxvi.; with J. Geppert, "Ueber die Wirkungen der Verdünnten Luft auf den Organismus," Berlin, 1873.
After becoming lecturer at the university his field of special research was the diseases of the lungs and the heart. Of his essays and works in this department may be mentioned: "Bakteriologische Mittheilungen über die Actiologie der Pneumonie," in "Zeitsch. für Klinische Medizin," vols. x. and xi., in which essay he was the first to expound the theory of the micrococci of pneumonia; "Pathologie und Therapie der Krankheiten des Respirationsapparates," 1890-1902; "Ueber Septikopyümische Erkrankungen, Speciell Akute Dermatomyositis," 1894; "Ueber Akute Leukämie," 1895; "Zur Pathologischen Anatomie des Bronchialasthma," 1898. His writings have appeared in the "Charité Annalen," "Zeitschrift für Klinische Medizin," "Berliner Klinische Wochenschrift," and "Deutsche Medizinische Wochenschrift."
- Pagel, 'Biographisches Lexikon, s.v., Vienna, 1901.