work_institution field known_for residence spouse article_title name alma_mater
general and consulting services electric , general motors research laboratories , manufacturing computer science computer-aided design and computer-aided manufacturing united states sandra patrick j. hanratty
 patrick j. hanratty university of california , irvine
patrick j. hanratty

patrick j. hanratty is an american computer scientist and businessperson who is known as the `` father of cad/cam '' -- computer-aided design and computer-aided manufacturing .
he is president and ceo of manufacturing and consulting services -lrb- mcs -rrb- of scottsdale , arizona , a company he founded .
according to the university of california in 2012 , industry analysts think that `` 70 percent of all 3-d mechanical cad/cam systems available today trace their roots back to hanratty 's original code '' .
