Frederick Leon Mandel Jr. (1908–1973)[1] was an American businessman who owned the Detroit Lions of the National Football League (NFL) from 1940 to 1947.
[1] Mandel was an executive in his family's department store and in 1934 was elected to the company's board of directors.
In 1938 the Mandels moved to a French Eclectic house in Highland Park, Illinois, designed by Lois' father, David Saul Klafter.
[10][11] The home, known as the Mr. Fred L. Mandel Jr. House, was added to the National Register of Historic Places on December 22, 2009.
[13] Mandel and his second wife, Edna, moved to Honolulu, where he operated the Hawaii Stamp & Coin Shop.