Question: Einstein@Home is a volunteer distributed computing project that searches for signals from rotating neutron stars in data from the LIGO gravitational-wave detectors, from large radio telescopes, and from the Fermi Gamma-ray Space Telescope, the Einstein@Home project director is which American physicist and director of the Max Planck Institute for Gravitational Physics in Hannover Germany? 
Sentence (from "Max Planck Institute for Gravitational Physics"): The Max Planck Institute for Gravitational Physics (Albert Einstein Institute) is a Max Planck Institute whose research is aimed at investigating Einstein’s theory of relativity and beyond: Mathematics, quantum gravity, astrophysical relativity, and gravitational wave astronomy.
Relevant evidence: No