Page "Computer-aided design" Paragraph 38

One of the most influential events in the development of CAD was the founding of MCS ( Manufacturing and Consulting Services Inc .) in 1971 by Dr. P. J. Hanratty, who wrote the system ADAM ( Automated Drafting And Machining ) but more importantly supplied code to companies such as McDonnell Douglas ( Unigraphics ), Computervision ( CADDS ), Calma, Gerber, Autotrol and Control Data.