Louis Albert Necker

Louis Albert Necker de Saussure FRSE MWS FGS (10 April 1786 – 20 November 1861) was a Swiss crystallographer and geographer.[1]

Necker cube on the left, impossible cube on the right.

He is best remembered for devising the optical illusion now known as the Necker cube.[2]

  1. ^ Forbes J D,1863. Biographical account of Professor Louis Albert Necker, of Geneva, Honorary Member of the Royal Society of Edinburgh. Proc Royal Soc Edinburgh, 5: 53-76.
  2. ^ Wade N J, Campbell R N, Ross H E, Lingelbach B, 2010. Necker in Scotch perspective.' Perception, 39: 1-4.