You are here: Homepage > List of creators > Louis Albert Necker

Louis Albert Necker

Necker Cube - L.A. Necker, 1832
	Where is the green side ? On the front of the cube or at the back ? Keep looking at the cube and you'll find that it switches a few times. First described by professor L. Necker who noticed this while studying drawings of crystals.

Planet Perplex is a comprehensive collection of optical illusions, impossible objects, hidden images, puzzles and related images.
If you have questions, comments or additional information, please send it to
Copyright © 2008 Stefan Van den Bergh. All rights reserved.
URL: http://www.planetperplex.com/en/louis_necker.html
Last modified on Saturday, May 3 2008

Louis Albert Necker

Necker Cube - L.A. Necker, 1832