Complex sentence: Heinrich Friedrich Emil Lenz (February 12,1804--February 10,1865) was a Russian-German-Estonian physicist most noted for formulating Lenz's law in electrodynamics in 1833.
Split into simpler sentences: Heinrich Friedrich Emil Lenz (February 12,1804--February 10,1865) was a Russian physicist of Baltic German ethnicity. He is most noted for formulating Lenz's law in electrodynamics in 1833.