The document discusses the significance of CAD/CAM in engineering, emphasizing its role as a universal language among engineers. It acknowledges Douglas T. Ross and Patrick J. Hanratty as key figures in the development of computer-aided design and manufacturing. The text highlights their contributions, particularly Hanratty's status as the 'father of CADD'.

1. CAD/CAM Lab
~ The Universal Language of Engineers ~
CAD/CAM Lab
~ The Universal Language of Engineers ~
CAD/CAM Lab
~ The Universal Language of Engineers ~

20. Douglas T. Ross
Patrick J. Hanratty
…father of CADD
… inventer of CAD