The Puzzlers

Jos was educated at the Engineering School The Hague and the University of Technology Delft (Electrical Engineering). Jos worked during 32 years for several contractors - among others in Saudi Arabia, Denmark, Spain, Iran and China - and has experience in the fields of Electrical Engineering, Procurement and Project Engineering. In addition to this Jos was contracted for 3 years by Taqa Energy to monitor the activities of main contractors and suppliers for the Bergermeer Gas Storage Project (The Netherlands). Jos is interested in (Prime Number) Magic Squares and Cubes since his retirement in 2013 and maintains a small website regarding this subject.

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