Sarin
Sarin was discovered in 1938 in Wuppertal-Elberfeld in Germany by scientists at IG Farben attempting to create stronger pesticides. it is the most toxic of the four G-Series nerve agents made by Germany. The name "sarin" comes from letters in the scientists' names: Gerhard Schrader, Otto Ambros, Gerhard Ritter, and Hans-Jürgen von der Linde.