Alan Adler is a Standford engineering professor and inventor who's had two remarkable -- and wildly different -- successes: the long-flying Aerobie disc, and the Aeropress, a revolutionary, brilliant, dead-simple $30 coffee maker that makes pretty much the best cup of coffee you've ever tasted. I've given Aeropresses to a dozen friends, I keep one in my travel-bag, and I've got Aeropresses at home and at the office.