I grew up in the 1950s and early 1960’s.  I can remember running through the neighborhood when we were twelve or thirteen doing silly kid stuff like knocking on doors and running (ding,dong ditch) or throwing crabapples at cars. A couple of times the police caught us – one time

Joseph Lyvers, pictured above with his wife Marsha,  has excelled in a lengthy career as an aerospace engineer, but though he himself doesn’t use the term, some of his work for Hughes and Caltech could be described by a phrase that requires so much brain power it has become synonymous