Jean-Marie Leclair was an 18th century violinist and composer who founded the French school of violin. He was stabbed to death either on October 22nd late at night, or October 23rd early morning, in 1764, when it was still dark. His body was found in the vestibule of his home which was located on the seedy side of Paris. No one was ever accused or arrested in the case, despite strong suspicions. It could have been a nephew who was envious of Leclair's...