1923 Standing lamp 
1974 Puzzle Rubik's cube «There is no perfect chair... The best chair is only good for a few hours, and then you ought to get up. A perfect chair is a bed !...» Niels Diffrient
«There is no perfect chair... The best chair is only good for a few hours, and then you ought to get up. A perfect chair is a bed !...» Niels Diffrient