Dreyschock, Alexander (, Zack; , Venice). Bohemian virtuoso pianist and comp. Studied pf and comp. with Tomášek in Prague (1833), then concertized extensively in Germany (1838), Russia (1840–42), Paris (1843), London; Holland, Austria, and Hungary (1846); and Denmark and Sweden (1849). In 1862 accepted a teaching position at the recently established P. Cons. His students incl. Yu. Mel'gunov . Also was court pianist and director of the Imperial School for...