Temistocle Calzecchi-Onesti

Temistocle Calzecchi Onesti was an Italian physicist and inventor born in Lapedona, Italy, where his father, Icilio Calzecchi, a medical doctor from nearby Monterubbiano, was temporarily working at the time. His mother, Angela, was the last descendant of the ancient and noble Onesti family. His first name is the Italian version of the Athenian general Themistocles. Calzecchi demonstrated in experiments in 1884 through 1886 that iron filings contained in an insulating tube will conduct an electrical current under the action of an electromagnetic wave. This discovery was the operating principle behind an early radio wave detector device called the coherer, developed about 6–10 years late ... more on Wikipedia

Temistocle Calzecchi-Onesti is also found on...

Famous Physicists from Italy Famous Mathematicians from Italy Famous Italian Inventors List Famous Male Mathematicians Famous Male Physicists