Biography of Walther Kruse
Walther Kruse studied in Berlin, in particular as a pupil of Rudolf Virchow (821-1902), and obtained his doctorate in 1888. From 1889 to 1892 was head of the bacteriological laboratory of the zoological station in Naples. Late in 1892 he participated in an expedition to Egypt to study dysentery. From 1893 he was assistant to Karl Georg Friedrich Wilhelm Flügge (1847-1923) at the hygienical institute in Breslau. He was habilitated for hygiene in Bonn in 1894.
Kruse in 1897 became titular professor, in 1898 extraordinarius of hygiene and head of the bacteriological department at the hygienical institute in Bonn. In 1900 he came to Königsberg as ordinarius, 1911 to Bonn, and in 1913 accepted an invitation to Leipzig.
Kruse’s work particulalrly concerns studies of protozoa and the bacteriology of intestinal infection. During an epidmic of dysentery in the Ruhr area he succeeded in finding the dysentery bacillus (Shiga-Kruse bacillus), descibed in Deutsche Medizinische Wochenschrift, 1900; 26: 637.
During the years 1890 to 1892 Kruse published on blood parasites in frogs, birds, and man.