"Norman B. Leventhal (August 30, 1917 \u2013 April 5, 2015) was an American businessman, the chairman of The Beacon Companies, a developer and manager of office buildings, housing, and hotels. Leventhal was best known for his work in civic improvements to the city of Boston, and consequently had a park named after him of which he oversaw the creation."@en . "Norman B. Leventhal"@en . . . "1917Z"^^ . "2015-04-05Z"^^ . "Leventhal, Norman B."@en . . "1917-08-30Z"^^ . . . "2015Z"^^ . "American businessman" . .