#OtD 6 May 1953 Royal Air Force servicemen Ronald Maddison was killed in the Porton Down laboratories in Wiltshire, England, after having been exposed to Sarin gas by military scientists. The Ministry of Defence determined he died "by misadventure" https://t.co/rHP3Uh5OEr https://stories.workingclasshistory.com/article/10650/ronald-maddison-dies?utm_source=dlvr.it&utm_medium=mastodon