Contact and Acknowledgements is operated by

Christian D. Ott
Theoretical AstroPhysics Including Relativity (TAPIR)
MC 350-17
California Institute of Technology
1200 E California Blvd
Pasadena, CA 91125 is partially supported through National Science Foundation grants CAREER PHY-1151197, AST-1205732, AST-1212170, AST-1333520, OCI-0905046, and PHY-1404569. Additional support comes from the Sherman Fairchild Foundation, the Alfred P. Sloan Foundation, and the California Institute of Technology.