According to Wikipedia,
Gerald L. Pearson was a physicist whose work on silicon rectifiers at Bell Labs led to the invention of the solar cell. In 2008, he was inducted into the National Inventors Hall of Fame. Biography Pearson was born in Salem, Oregon. He took a bachelor's degree in mathematics and physics from Willamette University and a master's degree in physics from Stanford University. From 1929 he worked as a research physicist at Bell Labs and his early work on temperature-sensitive resistors led to 13 patents on thermistors. After World War II he was part of William Shockley's group, where his experimental results were essential in developing models of semiconductor behaviour. In 1946, acting on a suggestion by Shockley he put a voltage on a droplet of glycol borate placed across a P-N junction producing the first evidence of power amplification in the search for the transistor.
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