berlin neurologist and neurohistologist max bielschowsky counts among the most innovative microanatomical researchers at the beginning of the twentieth century . 
 although being quite underrated in the history of neurology today , bielschowsky contributed substantially to the understanding of neurohereditary pathologies , such as alzheimer s disease , parkinsonism , and huntington s chorea , as well as the assessment of structural changes in several movement disorders . working with other leading research neurologists , such as oskar and cecile vogt or korbinian brodmann at the newly founded kaiser wilhelm institute for brain research in berlin - buch , he also pioneered neurohistological work on de- and regeneration processes in the central nervous system along with new morphological definitions of  nervous trauma .