Alexander Graham Bell
                     ALEXANDER GRAHAM BELL: BIOGRAPHY, 
INVENTIONS, AND UNKNOWN FACTS
WHO WAS ALEXANDER 
GRAHAM BELL?
Alexander Graham Bell was a 
Scottish-born scientist and 
inventor best known for 
inventing the first working 
telephone in 1876 and founding 
the Bell Telephone Company in 
1877. 
Source: www.biography.com
EARLY LIFE
Bell was born in Edinburgh, 
Scotland, on March 3, 1847. 
The second son of Alexander 
Melville Bell and Eliza Grace 
Symonds Bell, he was named 
for his paternal grandfather. 
Source: www.biography.com
FAMILY
He had two brothers, Melville 
James Bell and Edward Charles 
Bell, both of whom died from 
tuberculosis.
During his youth, Bell was 
strongly influenced by his 
family and his environs.
Source: www.biography.com
EARLY CAREER
Young Alexander was groomed from a 
young age to carry on in the family 
business, but his headstrong nature 
conflicted with his father’s overbearing 
manner. 
Seeking a way out, Alexander 
volunteered to care for his grandfather 
when he fell ill in 1862. 
Source: www.biography.com
MARRIAGE
On July 11, 1877, Bell married Mable 
Hubbard, a former student and the 
daughter of Gardiner Hubbard, one of his 
early financial backers. 
Mable had been deaf since her early 
childhood years.
Source: www.biography.com
INVENTIONS
On March 10, 1876, after years of work, Bell 
perfected his most well-known invention, 
the telephone, and made his first telephone 
call.
Through 1874 and 1875, Bell and Watson 
labored on both the harmonic telegraph and 
a voice transmitting device. 
Source: www.biography.com
OTHER INVENTIONS
In 1880, Bell established the Volta 
Laboratory in Washington, D.C., an 
experimental facility devoted to scientific 
discovery.
Later in his life, Bell became fascinated with 
flight and began exploring the possibilities 
for flying machines and devices, starting 
with the tetrahedral kite in 1890s. 
Source: www.biography.com
LATER LIFE
Bell died peacefully on August 2, 1922, at 
his home in Baddeck on Cape Breton 
Island, Nova Scotia, Canada. 
Shortly after his death, the entire 
telephone system was shut down for one 
minute in tribute to his genius.
Source: www.biography.com
UNKNOWN FACTS
• Alexander Graham Bell was an 
immigrant.
• Bell’s middle name was a birthday 
present.
• Bell’s mother and wife were both 
hearing-impaired.
• He faced more than 600 lawsuits over his 
telephone patent.
Source: www.history.com
UNKNOWN FACTS 
CONT.
• Bell developed a wireless telephone.
• He invented a rudimentary metal detector 
in a quest to save the life of a president.
• A Bell-designed speedboat set a world 
record.
• North American telephones were silenced 
in Bell’s honor following his death.
• Decibels are named after him.
Source: www.history.com