Claim: William Schlumberger was a European chess master who is known to have taught Pierre Charles Fournier de Saint-Amant to play chess.
Evidence: William Schlumberger (1800 – April 1838) was a European chess master. He is known to have taught Pierre Charles Fournier de Saint-Amant to play chess and as the operator of The Turk, a chess-playing machine which was purported to be an automaton.