Algirdas Julien Greimas (born "Algirdas Julius Greimas"; 1917--1992), known among other things for the Greimas Square ("le carré sémiotique"), is considered, along with Roland Barthes, the most prominent of the French semioticians.
Algirdas Julien Greimas (born "Algirdas Julius Greimas"; 9 March 1917--27 February 1992), was a French-Lithuanian literary scientist, known among other things for the Greimas Square ("le carré sémiotique"). He is, along with Roland Barthes, considered the most prominent of the French semioticians.