CHICAGO–(ENEWSPF)–August 2, 2016. Barry Barish, a key scientific leader behind the Laser Interferometer Gravitational-wave Observatory (LIGO), will deliver a free public lecture on the “The Detection of Gravitational Waves from Binary Black Hole Mergers,” at 6:30 p.m., Aug. 9, in the Chicago Ballroom of the Sheraton Grand Hotel, 301 E. North Water St.






