Which professor urged a generation in 1967 to "Turn on, tune in, drop out"?

What is a private VIP room at a sports stadium called? A pro-war slogan of 1898 was "Remember the ___, to hell with Spain!" Which ship? What is a profession of faith, like the Nicene one, called? A professional tap dancer from age 5, who got his own CBS sitcom in 1997? 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? A progressive tax is one whose rate rises as what rises? What is a projecting support on a wall called, whether or not it's "flying"?