Are there any mythical beasts which aren't simple pastiches of nature? Centaurs, minotaurs, unicorns, griffons, chimeras, sphinxes, manticores, and the like don't speak well for the human imagination. None is as novel as a kangaroo or starfish.
William PoundstoneSamuelson, however, hedged his personal bets - by putting some of his own money in Berkshire Hathaway.
William PoundstoneSamuelson spotted a mistake in Bacheliers work. Bachelier's model had failed to consider that stock prices cannot fall below zero.
William Poundstone