Jason Aufdenberg Dept. Physics & Astronomy, Arizona State University, Tempe, AZ 85271-1504, USA Sylvia Becker Universitats Sternwarte Munchen, Scheinerstrasse 1, D-81679 Munchen, Germany Jean-Francois Bertrand Departement de Physique, Universite de Montreal C.P. 6128, Succ. Centre Ville, Montreal, (Quebec), H3C 3J7, Canada Bruce Bohannan National Optical Astronomy Observatories, 950 N. Cherry Ave., PO Box 26732, Tucson, AZ 85719, USA Peter Conti JILA, Box 440, University of Colorado, Boulder, CO 80309, USA Paul Crowther Dept. Physics & Astronomy, University College London, Gower St., London WC1E 6BT, UK Alex de Koter Astronomical Institute `Anton Pannekoek', University of Amsterdam, Kruislaan 403, 1098 SJ Amsterdam, The Netherlands Luc Dessart Dept. Physics & Astronomy, University College London, Gower St., London WC1E 6BT, UK Janet Drew Physics Dept., Imperial College of Science, Technology & Medicine, Blackett Laboratory, London SW7 2BZ, UK Philip Dufton The Queen's University of Belfast, Belfast BT7 1NN, N. Ireland Achim Feldmeier Universitats Sternwarte Munchen, Scheinerstrasse 1, D-81679 Munchen, Germany Alex Fullerton Dept. Physics & Astronomy, The Johns Hopkins University, 3400 N. Charles St., Baltimore, MD 21218, USA Doug Gies Center for High Angular Resolution Astronomy, Georgia State University, Atlanta, GA 30303-3083, USA Margaret Hanson Steward Observatory, University of Arizona, Tucson, AZ 85721, USA Tim Harries Mullard Space Science Laboratory, Holmbury St. Mary, Dorking, Surrey RH5 6NT, UK Artemio Herrero Instituto de Astrofisica de Canarias, E-38200 La Laguna, Tenerife, Spain Ron Hilditch School of Physics & Astronomy, University of St. Andrews, North Haugh, St. Andrews, Fife, Scotland KY16 9SS Ian Howarth Dept. Physics & Astronomy, University College London, Gower St., London WC1E 6BT, UK Ivan Hubeny NASA/GSFC, Code 681, Greenbelt, MD 20771, USA Simon Jeffery Armagh Observatory, College Hill, Armagh BT61 9DG, N. Ireland Lex Kaper European Southern Observatory, Karl-Schwarzschild-Strasse 2, D-85748 Garching bei Munchen, Germany Rolf Kudritzki Universitats Sternwarte Munchen, Scheinerstrasse 1, D-81679 Munchen, Germany Norbert Langer Institut fur Theoretische Physik und Astrophysik, Universitat Potsdam, D-14415 Potsdam, Germany Chris Lloyd Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, UK Andre Maeder Geneva Observatory, CH-1290 Sauverny, Switzerland Derck Massa Hughes STX, NASA/GSFC, Greenbelt, MD 20771, USA Jim McCarthy Palomar Observatory, California Institute of Technology, M/S 105-24, Pasadena, CA 91125, USA Neil McErlean The Queen's University of Belfast, Belfast BT7 1NN, N. Ireland Georges Meynet Geneva Observatory, CH-1290 Sauverny, Switzerland Ilusion Monteverde Instituto de Astrofisica de Canarias, E-38200 La Laguna, Tenerife, Spain Paco Najarro Universitats Sternwarte Munchen, Scheinerstrasse 1, D-81679 Munchen, Germany Antonella Nota Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA Sally Oey Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK Stan Owocki Bartol Research Institute, University of Delaware, Newark, DE 19716, USA Anna Pasquali European Southern Observatory, Karl-Schwarzschild-Strasse 2, D-85748 Garching bei Munchen, Germany Adi Pauldrach Universitats Sternwarte Munchen, Scheinerstrasse 1, D-81679 Munchen, Germany Laura Penny Department of Physics and Astronomy, College of Charleston, Charleston, SC 29424, USA Raman Prinja Dept. Physics & Astronomy, University College London, Gower St., London WC1E 6BT, UK Joachim Puls Universitats Sternwarte Munchen, Scheinerstrasse 1, D-81679 Munchen, Germany Paul Roche Astronomy Centre, CPES, University of Sussex, Falmer, Brighton BN1 9QH, UK Daniel Schaerer Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA Werner Schmutz Institute of Astronomy, ETH Zentrum, CH-8092 Zurich, Switzerland Kaj Siebert Dept. Physics & Astronomy, University College London, Gower St., London WC1E 6BT, UK Linda Smith Dept. Physics & Astronomy, University College London, Gower St., London WC1E 6BT, UK Uwe Springmann Universitats Sternwarte Munchen, Scheinerstrasse 1, D-81679 Munchen, Germany Dave Stickland Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, UK Nicole St-Louis Departement de Physique, Universite de Montreal C.P. 6128, Succ. Centre Ville, Montreal, (Quebec), H3C 3J7, Canada Matt Stroud, c/o Ian Howarth, Dept. Physics & Astronomy, University College London, Gower St., London WC1E 6BT, UK Michelle Thaller Center for High Angular Resolution Astronomy, Georgia State University, Atlanta, GA 30303-3083, USA Richard Townsend, c/o Ian Howarth, Dept. Physics & Astronomy, University College London, Gower St., London WC1E 6BT, UK Kim Venn Dept. Physics & Astronomy, Macalester College, St. Paul, MN 55105, USA Charo Villamariz Instituto de Astrofisica de Canarias, E-38200 La Laguna, Tenerife, Spain Nolan Walborn Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA Allan Willis Dept. Physics & Astronomy, University College London, Gower St., London WC1E 6BT, UK