Front row, from left: Mrs. Adele Grombach, Ugo Cerletti, unknown, Francesco Bonfiglio, Gaetano Perusini. Top row from left: Fritz Lotmar, unknown, Stefan Rosental, Allers (?), unknown, Alois Alzheimer, Nicolás Achúcarro, Friedrich Heinrich Lewy.
unknown/anonymous worker of Alzheimer's laboratory
1909
reprinted in: The University Department of Psychiatry in Munich: From Kraepelin and His Predecessors to Molecular Psychiatry. Springer, 2007 page 89 and many other books/articles