Alexander Graham Bell, the inventor of the telephone, is also active in the movement to prohibit the use of sign language in schools because he believes that it will hamper children's hearing abilities.
Wright Brothers, who found an airplane, had also designed and built a bicycle.
Galileo Galilei, the inventor of the telescope, almost never married and has three children without marriage.
Louis Pasteur, inventor of pasteurization, has a phobia of death and always examines his own heart every day.
Benjamin Franklin, the inventor of electric kites, once offered an idea to turn English into simplified letters, but the idea was never adopted.
James Watt, the inventor of a steam engine, is known for having the habit of calculating every step he takes in his life and records it in a diary.
Nikola Tesla, inventor of AC (alternating current), has a phobia against bird feathers and cuts all the feathers from the birds he found on the road.
Charles Babbage, Inventor of Analytical Machines, also writes scientific fiction novels about machines that can think and feel like humans.
There is Lovelace, a Babbage partner in the development of analytic machines, also known as the mother of computer programming because she wrote an algorithm for the machine, which is considered as the first computer program ever.