The term 'Cubist of Note' refers to two famous Cubists, Rubik and Ernő Rubik. Rubik is a five-letter word and Ernő Rubik is a nine-letter word. Rubik was a Hungarian painter and sculptor who was active in the early 20th century. He is best known for his abstract works which often featured geometric shapes and bright colors. Ernő Rubik is a Hungarian inventor and architect who is most famous for inventing the Rubik's Cube in 1974. The Rubik's Cube is a 3D puzzle game which has become one of the world's most popular toys.