Aldi Portugal, Spain and Poland, while Aldi Süd operates in Ireland, Great Britain, Hungary, Switzerland, Australia, China, Italy, Austria and Slovenia. Both Aldi Nord and Aldi Süd also operate in the United States with 1,600 stores as of 2017. The earliest roots of the company trace back to 1913, when the mother of Karl and Theo Albrecht opened a small store in a suburb of Essen. Their father was employed as a miner and later as a baker's assistant. Karl Albrecht was born in 1920, Theo Albrecht in 1922. Theo Albrecht completed an apprenticeship in his mother's store, while Karl Albrecht
Albrecht Kossel Albrecht Kossel Ludwig Karl Martin Leonhard Albrecht Kossel (16 September 1853 – 5 July 1927) was a German biochemist and pioneer in the study of genetics. He was awarded the Nobel Prize for Physiology or Medicine in 1910 for his work in determining the chemical composition of nucleic acids, the genetic substance of biological cells. Kossel isolated and described the five organic compounds that are present in nucleic acid: adenine, cytosine, guanine, thymine, and uracil. These compounds were later shown to be nucleobases, and are key in the formation of DNA and RNA, the genetic material found in all living