Answer:

RUBIK

AnswerCrossword Clue
RUBIKCube creator
RUBIKPuzzle cube inventor
RUBIKToy cube inventor
RUBIKToy-cube inventor
RUBIKIt reportedly took him a month to solve his own puzzle
RUBIKBig name in puzzles
RUBIKMan with a cube
RUBIKHexahedral puzzle inventor
RUBIKCreator of a popular six-color puzzle
RUBIKInventive cubist?
RUBIKFamed cube creator
RUBIKSix-color cube creator
RUBIKCubist who used six colors?
RUBIKPuzzle cube inventor Erno
RUBIKSurname on a puzzling cube
RUBIKBig name in cubes
RUBIKCube inventor
RUBIKHonorary head of the Hungarian Engineering Academy
RUBIKInventor of a rotatable cube
RUBIKCube-game inventor
RUBIKCubist?
RUBIKHungarian "cubist"
RUBIK1980 fadmaker
RUBIKInventor of the Cube
RUBIKCube creator Erno
RUBIKEarly 1980's craze maker
RUBIKHungarian cube maker
RUBIK1980s craze starter
RUBIKFather of a 1980s craze
RUBIKInventor of a six-color puzzle
RUBIKHis cube was a craze
RUBIKNoted Hungarian puzzler
RUBIKCubist of note?