In 1878 he followed his dissertation supervisor Julius Friedrich Cohnheim to Leipzig, and obtained a doctorate with a dissertation entitled "Contributions to the Theory and Practice of Histological Staining" (Beiträge zur Theorie und Praxis der histologischen Färbung).
in 1878 he followed his dissertation supervisor julius friedrich cohnheim to leipzig and obtained a doctorate with a dissertation entitled "contributions to the theory and practice of histological staining" (beiträge zur theorie und praxis der histologischen färbung)