Eponym of a brainteasing colored cube

• Inventive cubist?
• Puzzle cube inventor
• Polish child almost flipped over puzzle setter
• Creator of a cubic puzzle
• Big name in cubes
• Cubist who used six colors?
• Early 1980's craze maker
• Big name in puzzle cubes
• It reportedly took him a month to solve his own puzzle

Wikipedia Word definitions in Wikipedia
Rubik was a Finnish indie pop/rock band known for its unique style of rich sound, complex but well-contained arrangements, changing rhythms and melodies ranging from playful and danceable to wistful and delicate. The band started to emerge in the late '90s ...