found: Wikipedia, viewed Aug. 5, 2014(Abel Wolman; born in Baltimore, Md., June 10, 1892; died in Baltimore, Md., Feb. 22, 1989; American inventor, scientist, professor and pioneer of modern sanitary engineering; focused on the supply of clean water; faculty of Johns Hopkins University, Baltimore, Md., where he established the Department of Sanitary Engineering in 1937 and served as the department's chairman until his retirement in 1962; chairman of the Advisory Council for planning Israel's National Water Carrier project, 1950-56)