Karl Albrecht of , a suburb of Essen. Theo completed an apprenticeship in his mother's store, while Karl worked in a delicatessen shop. Karl served in the Wehrmacht during World War II and was wounded on the Eastern Front. After the war, the brothers jointly took over their mother's business and founded Albrecht KG. They separated that company in 1961 into Aldi Nord, covering the part of Germany north of the Ruhr under Theo Albrecht, and Aldi Süd under Karl. The first Aldi (short for Albrecht Discount) was opened in 1962. In 1994, Karl Albrecht removed himself from the daily operations of
Plus (supermarket) The Edeka Group and the Tengelmann Group entered a joint venture to acquire the Plus supermarket chain on November 16, 2007, which resulted in 70% of Plus supermarkets being owned by the Edeka Group and 30% owned by the Tengelmann Group. As of January 2009, the stores in the Plus supermarket chain owned by the Edeka group were remodelled into Netto Marken-Discount supermarket chain branches, while the Tengelmann Group's supermarkets were bought by others. Plus (supermarket) Plus was a German multinational discount supermarket chain founded in 1972. It operated 2,840 stores in Germany with an approximate 27,000 employees and about