Laser Interferometer Gravitational Wave Observatory
	Theoretical Gravitation and Relativity Groups

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LIGO benefits from a broad network of research groups in the field of theoretical gravitation and relativity. Some of these groups are:

Astrophysics Research, Northwestern University Center for Gravitational Wave Physics, Penn State University Center for Gravitation and Cosmology, University of Wisconsin - Milwaukee Center for Relativity, University of Texas at Austin Cornell Astrophysics and Relativity Group General Relativity Group, University of Southampton Hyperspace at UBC, University of British Columbia NCSA relativity group, International Numerical Relativity Group Pittsburgh Relativity Group, University of Pittsburgh QMW Relativity Group, University of London Relativistic Astrophysics Group, University of Florida WUGRAV Gravity Group, Washington University

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