Hi Histonetters. I'm wondering if anyone out there with an interest in history knows which neurotoxin was the first to be described pathologically? Thanks for your time. Catherine Catherine Lowry Franssen, Ph.D. NeuroScience Associates 10915 Lake Ridge Drive Knoxville, TN 37934 tel. 865-675-2245 cel. 865-712-9314 fax. 865-675-2787