Exploring geometric puzzles made Professor Ernő Rubik the richest and most famous man in communist Hungary [1]. At least that's a concrete answer you can give

Exploring geometric puzzles made Professor Ernő Rubik the richest and most famous man in communist Hungary [1]. At least that's a concrete answer you can give to the "man in street" who's going to scoff at explanations about expanding mathematics. But money and fame, well, everybody understands that if it makes money or makes you famous it's justified. [1] http://www.nytimes.com/1986/08/03/business/hungarian-millionaire-erno-rubik-will-son-cube-bring-another-bout-rubikmania.html http://www.nytimes.com/1986/08/03/business/hungarian-million...