Alexandre-Edmond Becquerel (24 March 1820 – 11 May 1891), better known as Edmond Becquerel, was a French physicist who studied the solar spectrum, magnetism, electricity and optics. He is credited with the discovery of the photovoltaic effect, the operating principle of the solar cell, in 1839. 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.
Abraham Lucas Hoagland (March 24, 1797 – February 14, 1872) was an early Mormon leader, pioneer, and one of the founders of Royal Oak, Michigan, and Salt Lake City, Utah, USA.
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