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
Perekrestok (supermarket chain) new concept. In 2017, Perekrestok managed a total of 638 stores that generated revenue of RUB 186.9 bn. In 2008, the first premium class supermarket "Green Perekrestok" opened in Rostov-on-Don. In March 2009, the first "Green Perekrestok" was launched in Moscow. Some elements of the "Green Perekrestok" concept were later incorporated into a modernisation programme that spanned the entire Perekrestok chain. In July 2017, Perekrestok launched Smart Wi-Fi, a project to create a free Wi-Fi network in 250 Perekrestok supermarkets in Moscow. The initiative enables the company to show ads and send push notifications to customers immediately after they get