In 1906 he achieved two-way voice transmission by radio between Scotland and Massachusetts.

In 1906 he achieved two-way voice transmission by radio between Scotland and Massachusetts.

a. Guglielmo Marconi
b. Lee De Forest
c. Nathan B. Stubbefield
d. Reginald Fessenden










Answer: D

Became the first person to broadcast words and music over radio waves.

Became the first person to broadcast words and music over radio waves.

a. Guglielmo Marconi
b. Reginald Fessenden
c. Nathan B. Stubbefield
d. Lee De Forest












Answer: B

On ________, Reginald Fessenden transmitted the first radio broadcast in history from Massachusetts...ships at sea heard him playing the song "O Holy Night" and reading a passage from the bible.

On ________, Reginald Fessenden transmitted the first radio broadcast in history from Massachusetts...ships at sea heard him playing the song "O Holy Night" and reading a passage from the bible.

a. December 24th, 1906
b. December 12th, 1902
c. December 23rd, 1900
d. January 3rd, 1900











Answer: A

Christmas Eve, 1906, he transmitted the first radio broadcast in history from Massachusetts...ships at sea heard him playing the song "O Holy Night" and reading a passage from the bible.

Christmas Eve, 1906, he transmitted the first radio broadcast in history from Massachusetts...ships at sea heard him playing the song "O Holy Night" and reading a passage from the bible.

a. Guglielmo Marconi
b. Lee De Forest
c. Nathan B. Stubbefield
d. Reginald Fessenden











Answer: D

On _______ Reginald Fessenden transmitted his own voice over the first wireless telephone from Cobb Island in Washington DC.

On _______ Reginald Fessenden transmitted his own voice over the first wireless telephone from Cobb Island in Washington DC.

a. December 24th, 1906
b. December 12th, 1902
c. December 23rd, 1900
d. January 3rd, 1900













Answer: C

December 23, 1900 he transmitted his own voice over the first wireless telephone from Cobb Island in Washington DC.

December 23, 1900 he transmitted his own voice over the first wireless telephone from Cobb Island in Washington DC.

a. Guglielmo Marconi
b. Lee De Forest
c. Nathan B. Stubbefield
d. Reginald Fessenden










Answer: D

Devised the theory of the "continuous wave" a means to superimpose sound onto a radio wave. Once the signal was received, the radio wave would be removed leaving the listener with the original sound.

Devised the theory of the "continuous wave" a means to superimpose sound onto a radio wave. Once the signal was received, the radio wave would be removed leaving the listener with the original sound.

a. Guglielmo Marconi
b. Reginald Fessenden
c. Nathan B. Stubbefield
d. Lee De Forest













Answer: B

Known for discovering Amplitude Modulation (AM) radio.

Known for discovering Amplitude Modulation (AM) radio.

a. Guglielmo Marconi
b. Nathan B. Stubbefield
c. Reginald Fessenden
d. Lee De Forest












Answer: C

Canadian chemist is best known for his invention of the Modulation of radio waves became known as "heterodyne principle" which allowed the reception and transmission on the same aerial without interference. Used only 1 antenna, eliminated interference.

Canadian chemist is best known for his invention of the Modulation of radio waves became known as "heterodyne principle" which allowed the reception and transmission on the same aerial without interference. Used only 1 antenna, eliminated interference.

a. Reginald Fessenden
b. Nathan B. Stubbefield
c. Guglielmo Marconi
d. Lee De Forest













Answer: A

Some consider him to be "the Father of Radio Broadcasting"

Some consider him to be "the Father of Radio Broadcasting" 

a. Lee De Forest
b. Nathan B. Stubbefield
c. Guglielmo Marconi
d. Reginald Fessenden












Answer: D

The failure of his invention lead him into seclusion and he ended up starving himself to death.

The failure of his invention lead him into seclusion and he ended up starving himself to death.

a. Lee De Forest
b. Nathan B. Stubbefield
c. Guglielmo Marconi
d. Samuel Morse













Answer: B

In 1908 he patented a new version of wireless telephone designed to communicate with moving vehicles/stagecoaches. (using ground electrodes)

In 1908 he patented a new version of wireless telephone designed to communicate with moving vehicles/stagecoaches. (using ground electrodes)

a. Lee De Forest
b. Samuel Morse
c. Guglielmo Marconi
d. Nathan












Answer: B

Demonstrated his wireless telephone to a friend, and his words he spoke were "can you hear me now?"

Demonstrated his wireless telephone to a friend, and his words he spoke were "can you hear me now?" 

a. Nathan B. Stubbefield
b. Samuel Morse
c. Guglielmo Marconi
d. Lee De Forest










Answer: A

In _______, Stubbefield was credited for first Ship-to-shore wireless telephone broadcast, using wires dropped in the water from a boat.

In _______, Stubbefield was credited for first Ship-to-shore wireless telephone broadcast, using wires dropped in the water from a boat.

a. 1892
b. 1906
c. 1902
d. 1900












Answer: C

In 1902, was credited for first Ship-to-shore wireless telephone broadcast, using wires dropped in the water from a boat.

In 1902, was credited for first Ship-to-shore wireless telephone broadcast, using wires dropped in the water from a boat.

a. Guglielmo Marconi
b. Samuel Morse
c. Nathan B. Stubbefield
d. Lee De Forest















Answer: C

In what year was Nathan B. Stubbefield the first person to broadcast a human voice using a wireless telephone attached to ground electrodes?

In what year was Nathan B. Stubbefield the first person to broadcast a human voice using a wireless telephone attached to ground electrodes?

a. 1892
b. 1776
c. 1899
d. 1893















Answer: A

In 1892, he was the first person to broadcast a human voice using wireless telephone attached to ground electrodes. Used ground as conductor to send wireless signal.

In 1892, he was the first person to broadcast a human voice using wireless telephone attached to ground electrodes. Used ground as conductor to send wireless signal.

a. Guglielmo Marconi
b. Samuel Morse
c. Lee De Forest
d. Nathan













Answer: B

Considered to be the man who invented the precursor to the cell phone, not modern cell, more so the method or thought process of how the signal is transmitted from one end to the receiver.

Considered to be the man who invented the precursor to the cell phone, not modern cell, more so the method or thought process of how the signal is transmitted from one end to the receiver.

a. Nathan B. Stubbefield
b. Samuel Morse
c. Lee De Forest
d. Guglielmo Marconi















Answer: A

Some consider him to be the "father of broadcasting"

Some consider him to be the "father of broadcasting"

a. Lee De Forest
b. Samuel Morse
c. Nathan B. Stubbefield
d. Guglielmo Marconi













Answer: C

Was the single most important individual in the evolution (1900-1920) from two-way wireless telegraphy as a commercial business to the technical perfection and use of the radiotelephone for entertainment broadcasting...

Was the single most important individual in the evolution (1900-1920) from two-way wireless telegraphy as a commercial business to the technical perfection and use of the radiotelephone for entertainment broadcasting...

a. Lee De Forest
b. Samuel Morse
c. Nathan B. Stubbefield
d. Guglielmo Marconi















Answer: A