A Becquerel ray is an archaic term for any form of radioactive ray.
Henri Becquerel discovers the radioactivity.
Henri Becquerel discovered radioactivity
Jean Becquerel died in 1953.
Jean Becquerel was born in 1878.
Henry Becquerel discovered radio-activity.
Henri Becquerel was born on December 15, 1852.
Henri Becquerel was born on December 15, 1852.
A. E. Becquerel was born on March 24, 1820.
A. E. Becquerel was born on March 24, 1820.
Louis Alfred Becquerel was born in 1814.
Louis Alfred Becquerel died in 1862.
Henri Becquerel died on August 25, 1908 at the age of 55.