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        | Invented the Telephone (one of two who claim it).  Owner of Bell Telephone Company. |  | 
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        | envisioned a TV using CRT on the receiving side. |  | 
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        | electromagnetic telephone.  Subscribers not operators |  | 
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        | single wire telegraph system |  | 
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        | NBC.  Ran RCA.   “The General” |  | 
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        | electromagnetism studies.  Physics.  Maxwell’s laws. |  | 
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        | Russian.  Radiotelegraph system. (wireless) |  | 
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        | first telephone prototype.  Western Union (Gray/Bell Controversy) |  | 
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        | vacuum tubes.  Long distance phone |  | 
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        | vacuum tubes as well and diodes. |  | 
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        | transmitted a speech 1 mile away and then did O holy night. |  | 
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        | device to detect radio    waves |  | 
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        | demonstrated a working model of the telegraph |  | 
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        | france.  Optical telegraph.  First telecommunication system. |  | 
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        | MIT ‘one laptop per child’ |  | 
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        | worked with Morse.  First operated his telegraph.  DC and Baltimore |  | 
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        | telephone industrialist.  Closed systems.  Monopolies |  | 
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        | first completely electronic TV inventor. Image pickup device |  | 
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        | cathode ray tubes.  Russian.  TV pioneer |  | 
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        | first TV broadcasting network.  Mechanical tech.  Not electric |  | 
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        | first working television system |  | 
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        | originated the concept of the programmable computer |  | 
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        | mechanical tabulator based on punch cards |  | 
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        | started TV/radio broadcasting corp |  | 
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        | Paul Baran and Donald Davies |  | Definition 
 
        | packet switching networks |  | 
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        | ideas contributing to internet.  Comp Sci. |  | 
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        | coined “hypertext”.  Xanadu=attempt at simple interface |  | 
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        | writer in development of wireless telegraph |  | 
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        | pioneer of electric telegraph |  | 
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