Origins of the Creutzfeldt and Jakob Concept

A review of the publications of Hans Creutzfeldt and Alfons Jakob pertaining to the concept which bears their name (CJD) reveals that they described a neuropathological syndrome and were opposed to its classi- fication as a neurological disease. The evidence on which Creutzfeldt and Jakob based their view is reevaluated, and studies by other workers are cited in which a range of environmental and genetic factors generated the CJ syndrome, challenging the proposition that CJD is a disease with a single cause..