Question: The LIGO Scientific Collaboration (LSC) is a scientific collaboration of international physics institutes and research groups dedicated to the search for gravitational waves, the LSC was established in 1997, under the leadership of Barry Barish, an American experimental physicist, he is a Linde Professor of Physics, emeritus at which institution?
Sentence (from "LIGO Scientific Collaboration"): Barish appointed Rainer Weiss as the first spokesperson.
Relevant evidence: No