Tear gas traces its roots back to Middlebury
By Lucy Townend | June 15, 2020In 1928, Ben Corson and Roger Stoughton were investigating the reaction between carbonyl compounds and malononitrile in Warner Hall at Middlebury College when they discovered 2-chlorobenzylidene malononitrile (CS). Even though it garnered little attention when published in the Journal of American Chemistry ...















