The technology at the leading edge changes so rapidly that you have to keep current after you get out of school. I think probably the most important thing is having good fundamentals.
Gordon MooreMoore's Law - The number of transistors and resistors on a chip doubles every 24 months
Gordon MooreI remember the difficulty we had in the beginning replacing magnetic cores in memories and eventually we had both cost and performance advantages. But it wasn't at all clear in the beginning.
Gordon Moore