A progressive tax is one whose rate rises as what rises?

A professional tap dancer from age 5, who got his own CBS sitcom in 1997? Which professor urged a generation in 1967 to "Turn on, tune in, drop out"? A professor's 2007 talk at Carnegie Mellon on achieving childhood dreams inspired millions under which title? Which film director was born in Britain in 1899 and died in Los Angeles in 1980? What is a projecting support on a wall called, whether or not it's "flying"? A prolific warrior and builder, which pharaoh ruled Egypt for about 66 years in the 13th century B.C.? A promotional pianist for the piano maker Erard, which Hungarian wrote "A Faust Symphony" in 1857? What stand does an artist use to hold a canvas?