Show PRODIGY IS DEAD new jersey man known as the light ning calculator william vallance valiance the famous light ning calculator who could do any sum in mathematical calculation mentally and with but an instants hesitation is dead at trenton N J aged 30 years vallance valiance could duplicate the feats of any of the lightning calca gators and beat them all by stating in scantly any desired date in history he could not tell how he knew history but would rattle off fact after fact ft without ever making a e he could give instant answer to such arithmetical questions as multiply by 4 feats in algebra were his delight |