I hope my dad won’t mind if I share a few of his more memorable explanations, which may convey the spirit behind PERT’s work.
I may have learned more from my dad’s approach to the problems than from the explanations themselves. I hope that these few examples convey that. You can always just rattle off formulas and facts. But good teaching opens up an idea and gives you the tools to discover things for yourself. It is inspiring and empowering. This is still what we hope to provide at PERT: a better way to teach.