COURTESY OF RUBIK’S CUBE/WWW.RUBIKS.COM (Wooden Cube); Daniel Karmann/dpa/Newscom (Erno Rubik)
Erno Rubik
It all started with a teacher named Erno Rubik. He made a cube with a lot of small blocks. The blocks were made of wood. They were held together with rubber bands.
At first, Erno could not solve his own puzzle. Then he did it! It took him a month.