Science and Technology

Who invented the first telephone in 1876?

• Alexander Popov

• Graham Bell

• Albert Einstein

• Albert Bell

Who invented the first multiple telegraph?

• Alexander Bell

• Alexander Popov

• Albert Einstein

• Alberto Morita

Who developed the first personal stereo – Sony Walkman?

• Karl Benz

• Orville Wright

• Akito Morita

• Graham Bell

Who built the first vacuum cleaner?

• James M. Spangler

• Akito Morita

• Alexander Bell

• Orville Wright

Who invented the first mechanical programmable computer?

• Charles Babbage

• Alexander Popov

• Bill Gates

• John William Mauchly 

Who invented the first electronic programmable computer?

• H.L.Hazen 

• John William Mauchly 

• Nikolai Lobachevsky

• Karl Benz

Who invented the first incandescent lamp?

• Alexander Bell

• Alexander Popov

• Thomas Edison

• Bill Gates

Who invented the first radio?

• Alexander Bell

• Alexander Popov

• Thomas Edison

• Nikolai Lobachevsky

Who created the world’s first car assembly line?

• Henry Ford

• Akito Morita

• Bill Gates

• John William Mauchly

Who made the table of chemical elements?

• Alexander Popov 

• Dmitry Mendeleev 

• Ivan Pavlov

• Alexander Bell