Schneider HooverHarold HopkinsGardiner Greene HubbardInternet pioneersBob KahnDawon KahngCharles K. KaoNarinder Singh KapanyHedy LamarrInnocenzo ManzettiGuglielmo MarconiRobert MetcalfeAntonio MeucciSamuel MorseJun-ichi NishizawaCharles Grafton PageRadia PerlmanAlexander Stepanovich PopovTivadar PuskásJohann Philipp ReisClaude ShannonAlmon Brown StrowgerHenry SuttonCharles Sumner TainterNikola TeslaCamille TissotAlfred VailThomas A. WatsonCharles WheatstoneVladimir K. ZworykinTransmissionmediaCoaxial cableFiber-optic communicationoptical fiberFree-space optical communicationMolecular communicationRadio waveswirelessTransmission linedata transmission circuittelecommunication circuitNetwork topologyand switchingBandwidthLinksNodesterminalNetwork switchingcircuitpacketTelephone exchangeMultiplexingSpace-divisionFrequency-divisionTime-divisionPolarization-divisionOrbital angular-momentumCode-divisionConceptsCommunication protocolCo