february june american physicist inventor notable contributions electronic engineering solid state physics early days development particular produced experimental evidence holes bulk surface previously thought paved way point contact robust junction best known device combines sensitivity light current gain wave machine educational apparatus illustrate wave motion early life education born baltimore maryland february grew new_jersey graduated physics chemistry earned submitting practice theory fellow member member beta scientific career joined worked initially physical research device development later education training retirement industry worked professor physics spherical campus library dedicated memory lifelong desire service improving teaching physics development january discovered gold point contacts type layer grown type substrate gave terrific effect february year discovered consisting bronze contacts surface type substrate layer gave gains power discovery build point contact bronze contacts thin wedge proving holes bulk surface previously thought confirmed idea possible build junction idea hitherto kept secret rest team later admitted workings team mixture cooperation competition admitted kept work secret hand forced advance invented beam light instead wire point contact generating holes flow collector wasn announced invention embodies modern day nationwide direct distance system wave machine gifted lecturer role responsible curriculum administration educational programs provided employees new role invented wave machine known wave generator wave generator illustrates wave motion series steel rods joined thin wire wire energy rod high moment rod ensures wave takes seconds traverse entire series rods making dynamics easily visible motion analogous high frequency waves invisible human eye electromagnetic waves transmission line wave generator illustrate wave reflection standing waves resonance partial reflection matching films demonstrated machine similarities wave behavior wrote book large scale version machine use science museums patents held patents including method making directly heated translating device including method making apparatus method treating device conditioning alternating gate current books authored books career beginning design devices book devices followed book designed help college professors teach students waves machine invented book similarities physics editors volume honors fellow senior member chairman personal life married selected works physical review vol physical review vol new electrical engineer vol properties vol similarities physics new_york isbn
John N. Shive