CADES was conceived in 1970 by Pearson and Brian Warboys when working for ICL’s New Range Operating System Technology Centre, OSTECH, in Kidsgrove.
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After developing a portfolio of successful workstation products and a rich portfolio of blue-chip clients, Pearson as President and CEO took the company public on the Toronto Stock Exchange in 1983, at that time one of the youngest companies ever to go public on the TSX.
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David John Pearson, theoretical physicist and computer scientist, architect of the CADES software engineering system