Albert Ludwig Siegmund Neisser, MD (1855-1916), was a German Professor and doctor of medicine, and director of the teaching hospital of dermatology in Breslau. In 1879 he became the first to apply aniline dyes to the staining of M. leprae, thus adding to the evidence of its etiologic role in leprosy. Contributed to many studies on the pathology of leprosy including The Pathology of Nerves.

International Journal of Leprosy, Centennial Festskrift edition, Vol 41, No 2. 1973.