Ernest Rutherford's family emigrated from England ... Early on he found that all known radioactive elements emit two kinds of radiation: positively and negatively charged, or alpha and beta.

In 1902 Ernest Rutherford and Frederick Soddy discovered ... He believed that lead must be the final product of the radioactive decay of uranium and thorium. A few years later, in 1907, he ...

Further research by scientists like Ernest Rutherford categorized radioactive emissions into alpha, beta, and gamma rays, leading to the understanding of radioactive decay and the concept of half ...

1908 Manchester was able to appoint Ernest Rutherford, a New Zealander who had studied in Cambridge under Joseph John Thomson. As a young professor in Montreal, Rutherford had already attracted ...