This photograph was taken by Nicola Mastronardi at the meeting Numerical Methods and Scientific Computing (NMSC21) at CIRM in Luminy, France, in November 2021.

A group photo of most of the participants of the Dagstuhl Seminar 03241 "Theoretical and Computational Aspects of Matrix Algorithms" at the Shloss Dagstuhl on 12-17 October 2003.

An older picture is a photograph titled Selfportrait, Chicago, 1984, which was part of my exhibit called Thirty presented at the Museum of Contemporary Hispanic Art in New York in 1985.
Click here for the photograph, or here for a larger copy.