In which town is found the headquarters of the corporation founded by David Boris Pall?
David Pall David Boris Pall (2 April 1914 – 21 September 2004), founder of Pall Corporation, was the chemist who invented the Pall filter used in blood transfusions.
Nielsen Corporation The Nielsen Corporation, self-referentially known as The Nielsen Company, and formerly known as ACNielsen or AC Nielsen, is a global marketing research firm, with worldwide headquarters in New York City, United States. Regional headquarters for North America are located in the Chicago suburb of Schaumburg, Illinois. As of May 2010, it is part of Nielsen Holdings.