CONFERENCES ATTENDED (T indicates that I presented a talk, P a poster) International Conference on Gravitational Lenses, Hamburg, September 1991 23rd Saas-Fee School "The Deep Universe", Les Diablerets, March/April 1993 Gravitational Lenses in the Universe, Liège, June 1993 (T) Various symposia in conjunction with the XXIInd IAU General Assembly, The Hague, July 1994 Trends in Astroparticle Physics, Stockholm, September 1994 XVIIth Texas Symposium on Relativistic Astrophysics, Munich, December 1994 (T) IAU Symposium 173: Astrophysical Applications of Gravitational Lensing, Melbourne, July 1995 (P) International Conference on Relativistic Astrophysics in Honor of Prof. Igor Novikov's 60th Birthday, Copenhagen, January 1996 Observational Cosmology with the New Radio Surveys, Puerto de la Cruz, January 1997 (P) Golden Lenses, Jodrell Bank, June 1997 (T) IAU Symposium 183: Cosmological Parameters and the Evolution of the Universe (in conjunction with the XXIIIrd IAU General Assembly), Kyoto, August 1997 (P) Large Scale Structure: Tracks and Traces, Potsdam, September 1997 (2P) XXXIIIrd Rencontres de Moriond, Fundamental Parameters in Cosmology, Les Arcs, January 1998 National Astronomy Meeting, St. Andrews, March/April 1998 Cosmos, Quantum: The 50th Colston Symposium, Bristol, April 1999 Gravitational Lensing, Oslo, June 1998 (T) Evolution of Large-Scale Structure from Recombination to Garching, Garching, August 1998 XIXth Texas Symposium on Relativistic Astrophysics, Paris, December 1998 (P) The First Princeton - PUC Workshop on Astrophysics: Omega, Pucón, January 1999 Perspectives on Radio Astronomy: Science with Large Antenna Arrays, Amsterdam, April 1999 The Legacy of J. C. Kapteyn, Groningen, June 1999 Gravitational Lenses: Recent Progress & Future Goals, Boston, July 1999 (3P) National Astronomy Meeting, St. Peter Port, August 1999 RAS Parallel Discussion Meetings, meeting on statistical cosmology, London, March 2000 (T) XXXVth Rencontres de Moriond: Energy Densities in the Universe, Les Arcs, January 2000 Cosmological Physics with Gravitational Lensing, Les Arcs, March 2000 (2T) IAU Symposium 201: New Cosmological Parameters and the Values of the Fundamental Parameters (in conjunction with the XXIVth IAU General Assembly), Manchester, August 2000 (T,P) XXIst Texas Symposium on Relativistic Astrophysics, Florence, December 2002 47th Rencontres de Moriond: Cosmology, La Thuile, March 2012 Relativity and Gravitation: 100 Years after Einstein in Prague, Prague, June 2012 (T) DPG Physics School on Inflation and CMB, Bad Honnef, July 2013 27th Texas Symposium on Relativistic Astrophysics, Dallas, December 2013 49th Rencontres de Moriond: Cosmology, La Thuile, March 2014 Beyond LambdaCDM: Oslo, January 2015 28th Texas Symposium on Relativistic Astrophysics, Geneva, December 2015 (T)