Prince Rupert of the Rhine was a noted soldier, admiral, scientist, sportsman, colonial governor and amateur artist during the 17th century. Rupert was a younger son of Frederick V, Elector Palatine, and Elizabeth Stuart, the older brother...
Dona Maria I was Queen of Portugal from 24 February 1777 until her death in 1816. Known as Maria the Pious in Portugal and Maria the Mad in Brazil, she was the first undisputed queen regnant of Portugal and the first monarch of Brazil.
M...
John Kerr was a Scottish physicist and a pioneer in the field of electro-optics. He is best known for the discovery of what is now called the Kerr effect.
Kerr's most important experimental work was the discovery of double refraction in...
