Some observers guessed straightaway that stimulants had played a significant role in the invasion of France. The British psychiatrist William Sargant, who had been experimenting with benzedrine in London, recalled press reports of German soldiers and parachutists emerging ‘drugged, fearless and berserk’, and wasn’t surprised when the tablets they were carrying turned out to be amphetamines.

Source: Mike Jay reviews ‘Shooting Up’ by Łukasz Kamieński and ‘Blitzed’ by Norman Ohler · LRB 5 January 2017