Task: Explanation
Input (English): 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. Its mission is to ensure equal scientific opportunity for individual participants and institutions by organizing research, publications, and all other scientific activities, and it includes scientists from both LIGO Laboratory and collaborating institutions. Barish appointed Rainer Weiss as the first spokesperson. Question: Which scientific collaboration was established under the leadership of Barry Banish an American experimental physicist? Answer: LIGO Scientific Collaboration
Output (English):  The LSC was established in 1997, under the leadership of Barry Barish.