WILLIAM BLAU is a trader with expertise in momentum indicators and their applications. His articles have appeared in Technical Analysis of Stocks and Commodities, and he was a speaker on the Dow Jones/Telerate 1993 World Tour. Prior to becoming a trader, he founded his own engineering firm, specializing in technical consulting for government, industry, and manufacturing prototypes and small production run machines. William Blau holds a bachelor's degree in electrical engineering from NYU and a master's in systems engineering and operations research from the University of Pennsylvania.