-
4200–4000 BC.
By the ancient Mesopotamian people -
William Oughtred
-
Richard Trevithick
-
Frederick Albert Winsor
-
Nicéphore Niépce
-
Alexander Graham Bell
-
Thomas Alva Edison
-
Guglielmo Marconi
-
Philo Taylor Farnsworth,
-
Yuri Gagarin