David Boris Pall founded a corporation located where?
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.
Markel Corporation Markel Corporation (NYSE – MKL) is a holding company for insurance, reinsurance, and investment operations around the world. Headquartered in Richmond, Virginia and founded in 1930, Markel reports its ongoing underwriting operations in three segments, and products originate from four insurance divisions and one reinsurance division. Through Markel Ventures, they allocate capital to invest in opportunities outside of insurance.