Rubik's Cube inventor took one month to solve it
Ernő Rubik, the inventor of the Rubik's Cube, took more than one month to solve his own invention. Rubik, who turns 72 on Wednesday, was a professor of architecture at the time and was working on creating models to explain 3D geometry. Earlier known as 'Magic Cube', the Cube is one of the most-sold toys of all time.