Gego 1955-1990. Museo de Bellas Artes (MBA), Caracas, 16/11/2000 – 29/04/2001
Ruth Vollmer & Gego: Thinking the Line. Ursula Blickle-Stiftung, Kraichtal, 13/09/2003 – 19/10/2003
Ruth Vollmer & Gego: Thinking the Line. Zentrum für Kunst und Medien (ZKM), Kalsruhe, 16/01/2004 – 21/03/2004
Ruth Vollmer & Gego: Thinking the Line. Miami Art Central (MAC), Miami, 21/09/2004 – 14/11/2004
Ruth Vollmer & Gego: Thinking the Line. Neue Galerie am Landesmuseum Joanneum, Graz, 02/07/2004 – 29/08/2004