Nikola Tesla (Radio) By Mia

                          Nikola Tesla

Nikola Tesla was a Serbian. He was born on July 10th  , 1856 in Smiljan ,Croatia, and he died on January 7th  1943 in New York (at the age of 86 ).

His father Milutin Tesla was a Serbian priest,and his mother Duka Tesla had a talent to make home craft tools.Tesla was the  fourth of five children.His only brother Dane,died  in a horse accident when Tesla was five.He also had three sisters Milka, Angelica and Marica.

He moved  to the USA in 1884  and began working with Thomas Edison in the electricity.They had different personalities so they couldn't work together for a long time.
He patented more than fourty inventions. One of his inventions was the radio. In 1898 he demonstrated a radio-controlled boat. In 1900 he was finally recognized as the inventor of the radio.

Alexander Graham Bell by Amaia

                                   Alexander Graham Bell

Alexander was born on March 3, 1847 and he died on August 2, 1922 at the age of 75 in Canada. He had a wife called Mabel Hubbard,two daughters and two sons. He became an a excellent piano player at a young age. He studied the human voice and worked with various schools for the deaf. He was an inventor, scientist, engineer, professor of the Boston University and teacher of the deaf. He invented the telephone, the telegraph, the photophone, the phonograph, the hydrofoils and two for a selenium cell. He invented a device to communicate faster. Now it is possible to communicate with people who are far away from us.