2. He was inspired to invent the six-barrel cylinder gun by observing a ship’s wheel in action.
3. His revolving-chamber pistol was patented in Europe before the USA, in 1835 and 1836 respectively.
4. He got his big break by supplying guns to the US government and then both sides of the American Civil War
5. At the time of his death on 10 January 1862 he was worth $15m, around $350m in today’s money. He died aged just 47.