Inventors and Scientific Discoveries

He was the man who first noticed the magnetic effect in electric current.

Gottlieb Daimler is credited with the development of the high-speed petrol engine and the carburetor, which were essential for the early automobile.

W.L. Judson is recognized for inventing the modern zipper, originally called the 'clasp locker', in the late 19th century.

William Henry Fox Talbot is the inventor of the calotype process, which used paper coated with silver chloride to create photographic images.

Charles Ginsberg led the team at Ampex that developed the first practical videotape recorder (VTR) in 1956.

Charles Macintosh is famous for inventing the waterproof fabric used in the 'Macintosh' raincoat, which utilized rubber dissolved in naphtha.

Edward Teller is known as the 'father of the hydrogen bomb' for his significant contributions to its development in the United States.

Hippolyte Mège-Mouriès invented margarine in France in the 1860s as a cheaper alternative to butter for the French military.

Correct answer is (4).

Ernest Rutherford is credited with the discovery of the proton through his gold foil experiment and subsequent work in nuclear physics. The other options are associated with different fields or inventions.

Richard James invented the Slinky in the early 1940s after observing a torsion spring fall from a shelf. It became a popular toy shortly thereafter.

John Boyd Dunlop is famously associated with the development of the pneumatic tire, leading to the formation of the Dunlop Rubber Company. While Charles Goodyear is more commonly associated with the vulcanization of rubber, Dunlop is the best fit among the provided options.

Emile Berliner is credited with the invention of the microphone, specifically the loose-contact carbon transmitter, which was essential for early telephone technology.

Samuel Cohen is widely known as the father of the neutron bomb, a type of tactical nuclear weapon designed to maximize lethal radiation while minimizing physical blast damage.