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'''Ernest Rutherford''' (30 August 1871 – 19 October 1937) was a [[Nobel Prize]] winning physicist, who earned fame for the following discoveries:

'''Ernest Rutherford''' (30 August 1871 – 19 October 1937) was a [[Nobel Prize]] winning physicist, who earned fame for the following discoveries:

* He explained the perplexing problem of radioactivity as the spontaneous disintegration of atoms (they were not necessarily stable entities as had been assumed since the time of the ancient Greeks);

* He explained the perplexing problem of radioactivity as the spontaneous disintegration of atoms (they were not necessarily stable entities as had been assumed since the time of the ancient Greeks),

*He determined the structure of the atom and showed that the positive charges of an atom are concentrated in its center.  This disproved the [[Plum Pudding]] model of the atom; and

*He determined the structure of the atom and showed that the positive charges of an atom are concentrated in its center.  This disproved the [[Plum Pudding]] model of the atom.

*He was the first person to successfully split the atom, whilst working in Manchester, UK in 1917.<ref>http://www.rutherford.org.nz/biography.htm</ref>

*He was the first person to successfully split the atom, whilst working in Manchester, UK in 1917.<ref>http://www.rutherford.org.nz/biography.htm</ref>