Clyde Coombs joined Hewlett-Packard in 1959, where he developed the plated-through-hole process that became the basis for printed circuit production for the next 40+ years. He is the editor of all six editions of Printed Circuits Handbook.
Happy Holden is the director of electronics engineering and innovations at Gentex Corporation, and has worked in printed circuits in various capacities since 1970. Previously, he was a senior PCB technologist for Mentor Graphics' System Design Division, an advanced technology manager at Westwood Association and Merix Corp., and he worked for Hewlett-Packard for 28 years.
