Joseph Engel (1816-1899), author of a meaningful dissertation on tumors of the pituitary infundibulum: his report on the oldest preserved whole craniopharyngioma specimen. - Pascual JM; Prieto R; Rosdolsky M; Hofecker V; Strauss S; Winter E; Ulrich W (Virchows Archiv : an international journal of pathology, 2020)