|Samuel Finley Breese
Morse struggled for many years to
gain recognition as a painter, but became better
known for the telegraph, which he successfully
demonstrated on May 24, 1844.
|Alexander Graham Bell
became interested in the electrical transmission
of speech due to an interest in helping deaf
people learn to speak. His experiments led to
development of the telephone, for which he
received a patent on March 7, 1876.
was an undertaker who had become frustrated over
human telephone operators misdirecting calls from
his customers. Determined to get rid of the need
for human operators, he invented the automatic
telephone exchange in 1891, and the dial
telephone in 1896.
Farnsworth Began working on what
became the television while still in high school.
On September 7, 1927, he and a small group of
investors watched as his system transmitted its
first crude image.
was the first active
communications satellite. It was launched from
Cape Canaveral on July 10, 1962. It relayed its
first live television pictures -- of a flag
outside its ground station in Andover, Maine --
on the date of its launch, and relayed the first
live transatlantic television signal on July 23.