In a great feat of product marketing, Bill Tobey conceptualized the wafer stepper in the late 1970s while at GCA. It would prove to be one of the most important tools propelling Moore’s Law forward for decades to come. Find out how it all happened, how GCA built an empire around it and then ultimately lost it. There are lots of lessons to learn from Bill as he discusses the early history of lithography from the stepper to x-ray. His breadth of experience is why people still seek out his advice.