A. Lange & Söhne is a trademark of Lange Uhren GmbH, a German manufacturer of luxury and prestige watches. The company was originally founded by Ferdinand Adolph Lange in Glashütte, Germany in 1845. The original A. Lange & Söhne was nationalized and ceased to exist in 1948, following the occupation by the Soviet Union after World War II. The current A. Lange & Söhne trademark was re-registered when Lange Uhren GmbH was founded in 1990 by Walter Lange, the great-grandson of Ferdinand Adolph Lange.
A. Lange & Söhne is a highly regarded watch manufacturer. Notable early patrons and timepieces owners of Lange included German Emperor Wilhelm II, Abdul Hamid II of Ottoman Empire, and Alexander II of Russia. Since 2000, Lange Uhren GmbH has been a subsidiary of the Swiss Richemont Group. Lange watches boast distinctive Glashütte style in appearance and design, which is closer to the classic British style and is different from Swiss styles. The company’s current model families are Lange 1, Zeitwerk, Saxonia, 1815 and Richard Lange.
https://en.wikipedia.org/wiki/A._Lange_%26_S%C3%B6hne
