Question: Who died first, Jerome Daugherty or Ronald Maddison?
Sentence (from "Ronald Maddison"): Leading Aircraftman Ronald George Maddison( 23 January 1933 – 6 May 1953) was a twenty- year- old Royal Air Force engineer who died as the result of exposure to nerve agents while acting as a voluntary test subject at Porton Down, in Wiltshire, England.
Relevant evidence: Yes