My previous Web page picture (2005).
A drawing by Oeka Kitai done in Nagoya, Japan, on May 2001 (70k).
Picture of my old column Binary Chronicles in the Informática magazine (95k, 2000).
Another picture taken by Marcos Contreras with an older digital camera (20k, 1998).
One picture that I like also used in my old column (20k, 1994)
A picture published in El Mercurio (25k, 1992)
A younger picture (13k, 1990)
A historical picture (text in Spanish, 1Mb, 1978)
Updated: Jan 2006