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Ernest Walton and John Cockroft (1932) were the first to split the nucleus in a completely controlled manner. This was under the direction of Rutherford (see below) who, whilst at the Cavendish laboratory, Cambridge had done so but not by entirely artificial means. In doing so Walton and Cockroft were also the first to verify Einstein's law: E = mc²

Lise Meitner is apparently the most correct answer. She was Austrian . She discovered it while living in Sweden during WWII. Meitner maintained contact with colleagues, which allowed her to partner in their work, but she ultimately came out with how to split the atom first (while in Sweden) and I believe that she was first to be published. She worked with Otto Hahn who never gave her credit for coming out with it first, because she was a woman and a Jew which didn't work well with added Nazi pressure.

Otto Hahn and Fritz Strassman (1938)

The below answer is not correct.

Correction:

Lise Meitner was not the first to split the atom. However, she was the first to Theorize the Dumbbell concept. She worked with Otto Hahn for that experiment. They were good friends and colleagues. He was the first one to help her get out of Germany. (The Making of the Atomic Bomb by Richard Rhodes,)

Ernest Rutherford - A New Zealander - split the atom

The creator of modern atomic physics and forerunner of the nuclear age, Rutherford was one of the greatest scientists of the 20th century.

He was awarded the Nobel Prize in Chemistry in 1908 and a baronetcy in 1931.

In the words of Einstein, he was "a second Newton", the man who "tunneled into the very material of God": inventor, experimenter and Nelson farm boy.

Rutherford's strengths as a scientist are legion. A prolific, practical inventor and scientific theorist, his ideas were based on rigorous experimentation. He was one of the original "demo or die" scientists, turning conjecture into fact.

He attributed his willingness to experiment and find unorthodox solutions to his hardscrabble background in rural New Zealand: "We don't have the money, so we have to think".

Rutherford's Major Discoveries

Rutherford's three major discoveries shaped modern science, created nuclear physics and changed the way that we envisage the structure of the atom.

Rutherford's first discovery was that elements are not immutable, but can change their structure naturally, from heavy elements to slightly lighter. This led to him being awarded the Nobel Prize for Chemistry in 1908, at the age of 37, for his work on the transmutation of elements and the chemistry of radioactive material.

His second discovery, the nuclear model of the atom, became the basis for how we see the atom today: a tiny nucleus surrounded by orbiting electrons.

He built on this discovery for his third great achievement, the splitting of the atom, making him, as John Campbell says in his biography of Rutherford in The Dictionary of New Zealand Biography, "the world's first successful alchemist".

Answer

The first group to successfully initiate nuclear fission (splitting the atom) was a top-secret project called the Manhattan Project. It was initiated by a letter from Albert Einstein, and a whole group of top physicicists developed the program. The first person to actually split the atom was Enrico Fermi in 1942

Google The Manhattan Project, and you'll have your answer.

Answer

I was taught at school it was a New Zealander by the name of Earnest Rutherford who was working at Oxford University at the time. I think it was sometime in the 1920's.

*The work of Sir Rutherford and Misters Walton and Cockcroft are the first recorded, deliberate events that could be classified as 'splitting' an atom.

The Manhattan Project etc

As mentioned above, Rutherford, Walton and Cockcroft were the first to split the atom. The Manhatton project involved the development of a nuclear weapon. I believe Walton may have been asked to join a secret project, now known as The Manhatton Project, based on his earlier work. He may not have been told of the exact purpose of the project. In fact, they wouldn't have known of the possibilities of nuclear power at the time of splitting the atom. I'm no expert, but I believe the idea of a nuclear bomb came later. There were certain unknowns at the time of the initial splitting of the atom. It was later knowledge or ideas that proposed the concept of a nuclear weapon.

As an aside, Ernest Walton was Irish.

In April 1932 John Cockcroft and Ernest Walton split the atom for the first time, at the Cavendish Laboratory in Cambridge in the UK. Only weeks earlier, James Chadwick, also in Cambridge, discovered the neutron. That same year, far away in California, Carl Anderson discovered the positron while working on cosmic rays. So 1932 was a veritable annus mirabilis in which experiments discovered, and worked with, nucleons; exploited Albert Einstein's relativity and energy-mass equivalence principle; took advantage of the newly emerging quantum mechanics and its prediction of "tunnelling" through potential barriers; and even verified the existence of "antimatter" predicted by Paul Dirac's relativistic quantum theory of the electron. It is hard to think of a more significant year in the annals of science.
the Nazi regime in Germany first splitted the atom first but the decided not to use it to create an atomic bomb because they thought they would win the 2nd world war so then the Americans created the first atomic bomb

In 1932 Sir John Cockcroft and Ernest Walton were the first people to split an atom (causing a nuclear reaction) by using artificially accelerated particles.

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Q: Who was the first person to split the atom?
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Related questions

Who was the first person to split the core of the atom?

Earnest Rutherford


What decade did scientists first split the atom?

split the atom


Where was the first atom split?

The atom was first split in a laboratory at University of Chicago in 1938.


Which New Zealander became famous for splitting the atom?

Ernest Rutherford was the man you are thinking of. He was the first person to 'split the atom'.


Has an atom been split?

Ernest Rutherford was the first person to split an atom deliberately and successfully. He achieved this in 1917 and became Director of the Cavendish Lab at Cambridge University in 1919.


The first person to say you could split the atom?

Edmund Walton and John Cockroft (1932)


Who was the first person to split open a uranium atom?

Hahn, Strassmann and Meitner in the year 1939 (the first nuclear fission observed).


When did Rutherford split the atom?

Ernest Rutherford was the first person to split the atom. He is widely credited with first "splitting the atom" in 1917 in a nuclear reaction between nitrogen and alpha particles, in which he also discovered (and named) the proton. This led to the first experiment to split the nucleus in a fully controlled manner, performed by two students working under his direction, John Cockcroft and Ernest Walton, in 1932.


Who was the Woman who split the first atom?

Lise Meitner


What scientist first split the atom?

Fermi Enrico


What year did we split the first atom?

1942 it was split i doubled researched why dont u people do that


Who was the first new zealander to split the atom?

Ernest Rutherford


The first person to use the term atom was?

the first person to use the term atom is Democritus. :)


Who was the first person who discovered the atom?

The first person to discover the atom was John Dalton in 1800.


What is the name of first scientist to ever split the atom?

Ernest Rutherford.


Who was a New Zealand scientist who first split the atom?

Ernest Rutherford.


Can an atom be split?

Yes it can be split


First person to describe the characteristics of an atom?

John Dalton is t he first person to describe the characteristics of an Atom.


What happens if you split an atom?

If you Split a Atom you would create an atomic bomb.


When you split an atom why does it explode?

WHEN WE SPLIT AN ATOM IT EXPLODES because the become unstable.


How did Einstein split the atom?

Albert Einstein did not split the atom. He did work that predicted what would happen when an atom was split, among many other things.


Did Einstein split the atom at Princton University?

No, all he did was write to the president (FDR) that the atom bomb should be developed because there was concern that Germany may do it first.April 1932 John Cockcroft and Ernest Walton (in the UK) split the atom for the first time.


In what decade did scientists first split the atom?

British Physicist Ernest Rutherford is considered the 'father of nuclear physics' and is credited with splitting the first atom in 1917. He pioneered the Rutherford model of the atom and theorized that the charge of an atom is concentrated into a nucleus. He was able to split the atom in a nuclear reaction between alpha and nitrogen particles which led to the discovery of the proton.


In what decade did scientist first split the atom?

British Physicist Ernest Rutherford is considered the 'father of nuclear physics' and is credited with splitting the first atom in 1917. He pioneered the Rutherford model of the atom and theorized that the charge of an atom is concentrated into a nucleus. He was able to split the atom in a nuclear reaction between alpha and nitrogen particles which led to the discovery of the proton.


Who was the first person to use the word atom?

The first person to use the word "atom" to describe matter was the Greek philosopher Democritus.