Organization Kapteyn Astronomical Institute

University of Groningen

Columbia University

National Radio Astronomy Observatory

European Southern Observatory

University of Leiden

Royal Netherlands Academy of Arts and Sciences

American Academy of Arts and Sciences

Australian National University

Mount Stromlo Observatory

University of Texas

Trinity College, Cambridge

Australian Academy of Science

Royal Society of London

Royal Astronomical Society

National Radio Astronomy Observatory

Hat Creek Observatory

Commonwealth Scientific and Industrial Research Organisation

University of Groningen

Very Large Array

Very Long Baseline Array

International Astronomical Union

North-West University, South Africa

Technion-Israel Institute of Technology

Max Planck Institute for Astrophysics

University of Groningen

International Astronomical Union