#Knowledge Quotes #Training Quotes #Mind Quotes
Source : Source: www.bbc.co.uk
Alexander Graham Bell
Scientist
David Sarnoff
Businessman
Edwin Howard Armstrong
Electrical engineer
Guglielmo Marconi
Inventor
Heinrich Hertz
Physicist
John Ambrose Fleming
Electrical engineer
Lee De Forest
Inventor
Oliver Lodge
Physicist
Philo Farnsworth
Inventor