Avogadro is hailed as a founder of the atomic-molecular theory. He was an Italian chemist known for his great contribution in molecular chemistry as Avogadro's Law. He was a professor of physics at the University of Turin. 6.02214076×10^23, is known as the Avogadro constant, one of the seven SI base units and represented by NA. In 1911, a meeting in Turin commemorated the hundredth anniversary of the publication of Avogadro's classic 1811 paper. King Victor Emmanuel III attended, and Avogadro's great contribution to chemistry was recognized.
