![]() 20 years later it started to produce well-known AEC system named Allplan. Georg Nemetschek founded his company as a civil engineering office in this year. But still it was not commercial product yet. This is considered to be the first step to CAD industry. Ivan Sutherland (MIT‘s Lincoln Laboratory) developed the program named SKETCHPAD on the TX-2 computer and demonstrated the basic principles feasibility of computer aided engineering drawing. John McCarthy invented the LISP (programming language used in AutoCAD ® until now) 1963 ![]() Stromberk Carlson developed a system which interpreted graphics on some kind of tape and output these graphics on screen or printout graphics on special papers. Hanratty (most often referred to as "the father of CAD CAM") developed PRONTO – the first commercial numerical control programming CAM system.
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