We are very sorrow to inform you that our member Christopher Graham Raphael PARSONS at age of only 59 passed away on 22 September 2020.  Chris participated actively in several Neurotoxicity Society meetings and strongly contributed to their quality.   As well as the collaborative nature of our meetings.  He was author of 170 papers, 200 conference contributions and over 30 patents. During his 26 years of employment at Merz Pharmaceuticals he significantly contributed to the development and profiling of NMDA receptor antagonist memantine for Alzheimer´s disease. We all will miss his creative scientific mind and his marvelous English humor.