"At the 1913 Derby we all took our shots and got away quickly after the finish of the race," photographer James Jarche recalled. "On the way back to London we saw a placard 'Suffragette Killed at Epsom.'

"We stopped to buy a paper to see what had happened. None of us had seen the incident when [suffragette] Emily Davison had flung herself to her death at Tattenham Corner in front of the King's horse. But when Peat developed his plates he found that he had shot at the psychological moment, just before the horses trampled her. Peat had got one of the scoops of the century -- without knowing it."