# Who among the following had discovered 'Radioactivity'?

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Who among the following had discovered 'Radioactivity'?
1. Henri Becquerel
2. Rutherford
4. Albert Einstein

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Correct Answer - Option 1 : Henri Becquerel

The Correct Answer is Henri Becquerel.

• It was Henri Becquerel that discovered radioactivity, but Marie Curie is one who coined the term.
• Antoine Henri Becquerel was a French engineer, physicist, Nobel laureate, and the first person to discover evidence of radioactivity.
• In 1903 for work in this field he, along with Marie Skłodowska-Curie (Marie Curie) and Pierre Curie, received the 1903 Nobel Prize in Physics.

• Ernest Rutherford,
• He was a New Zealand physicist who came to be known as the father of nuclear physics.
• Sir James Chadwick
• He was a British physicist who was awarded the 1935 Nobel Prize in Physics for his discovery of the neutron in 1932.
• Albert Einstein
• He was a German-born theoretical physicist, widely acknowledged to be one of the greatest physicists of all time.
• Einstein is known widely for developing the theory of relativity, but he also made important contributions to the development of the theory of quantum mechanics.