Edmond Becquerel, French physicist and academic (died 1891)

Alexandre-Edmond Becquerel was a French physicist who studied the solar spectrum, magnetism, electricity, and optics. In 1839, he discovered the photovoltaic effect, the operating principle of the solar cell, which he invented in the same year. He is also known for his work in luminescence and phosphorescence. He was the son of Antoine César Becquerel and the father of Henri Becquerel, the discoverer of radioactivity.

March 24 is the 83rd day of the year in the Gregorian calendar; 282 days remain until the end of the year.