Rutherford Ernest

Rutherford

, Ernest First Baron Rutherford of Nelson. 1871-1937.
New Zealand physicist who classified radiation into alpha, beta, and gamma types and discovered the atomic nucleus. He won the 1908 Nobel Prize in chemistry.

Ruth·er·ford

(rŭth′ər-fərd), Ernest First Baron Rutherford of Nelson. 1871-1937.
New Zealand-born British physicist who was a pioneer of subatomic physics. He discovered the atomic nucleus and named the proton. Rutherford demonstrated that radioactive elements give off three types of rays, which he named alpha, beta, and gamma. He also invented the term half-life to measure the rate of radioactive decay.
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