"Nicholas William Leeson"@en . . . . . "1967Z"^^ . . . . . . . . . . "Nicholas William \"Nick\" Leeson (born 25 February 1967) is a former derivatives broker whose fraudulent, unauthorised speculative trading caused the spectacular collapse of Barings Bank, the United Kingdom's oldest merchant bank, for which he was sentenced to prison."@en . . . "1967-02-25Z"^^ . "British banker" . . . . "Leeson, Nick"@en .