. "2011Z"^^ . "2007Z"^^ . "Louis M. Groen"@en . . "1939Z"^^ . . "Groen, Lou"@en . . "Louis M. \"Lou\" Groen (August 8, 1917 \u2013 May 30, 2011) was an entrepreneur, and businessman of Cincinnati, Ohio, where he was born and raised, and also a lifelong resident. Groen invented the Filet-O-Fish sandwich in 1962. He invented the sandwich at his floundering McDonald's restaurant to satisfy his customers. At the time, most of his customers were Roman Catholic, who had to abstain from eating meat on Friday."@en . "1917Z"^^ . . "Louis M. Groen"@en . "1917-08-08Z"^^ . . "2011-05-30Z"^^ . "Lou Groen"@en . "American businessman" . . .