Joseph Jagger

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Joseph Hobson Jagger (* 1830 ; † 1892 ) was a British engineer who became known as The Man Who Broke the Bank at Monte Carlo through victories in a casino in Monte Carlo , the Beaux-Arts Casino . The song The Man Who Broke the Bank at Monte Carlo by Fred Gilbert from 1892 is named after him or Charles Wells .

In 1873 Jagger carried out a private investigation into whether the roulette games behaved as expected or whether there were statistically significant deviations due to insufficient calibration. For this purpose, he hired six people who each wrote down all the results of a day at a roulette game. While he found no deviations in five games, in the sixth game of roulette he was able to determine nine numbers that fell more frequently than statistically expected.

With this knowledge, Jagger won up to $ 450,000. Despite countermeasures by the casino that put Jagger on a losing streak, he last had $ 325,000 in profit.

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