David Eugene Tudor was an American pianist and composer of experimental music. Tudor was born in Philadelphia, Pennsylvania. He studied piano with Stefan Wolpe and became known as one of the leading performers of avant garde piano music. He gave the first American performance of the "Piano Sonata No. 2" by Pierre Boulez in 1950, and a European tour in 1954 greatly enhanced his reputation. Karlheinz Stockhausen dedicated his "Klavierstück VI" (1955) to Tudor. Wikipedia
The definitive Wikipedia entry for David Tudor. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/David_Tudor
