In the Augsburg Address Book 1881, the following entries can be found:  Leiter Moritz, Kaufmann ( Theilhaber der Firma Leiter & Neuburger, Band- und Putzwarengeschäft ), Ludwigsplatz D15. - Neuburger Alb, merchant, ( company Leiter & Neuburger ), Kaiserstraße 9, store: Ludwigsplatz D15.

Max Adler was, together with his brother Karl Adler, personally liable partner of the company Adler Bettfedernfabrik KG. Max Adler was married to Elise Adler, née Müller. Max Adler died in Munich on March 25, 1940 - cause of death unknown. His wife Elise Adler was with him on the transport Munich - Kowno on 20.11.1941. All persons of this transport were murdered in Kowno on 25.11.1941. The brother Karl Adler lost his life already on November 22, 1938 in Dachau.

On the history of the small Jewish community of Jáchymov - with the historical designation 'synagogue community Alt-Grimnitz' - very little information is available.

After Albert Loose gave up his 1905 founded " company and textile store Merkur " already in 1906 and the family left for Königsberg in September 1906, Alfred and Berta Bernheim continued the business. In December 1910, the Bernheims acquired the Merkur department store in Ludwigstraße. Around 1912, Alfred Bernheim bought the adjoining corner house at Theresienstrasse 2. In addition to the house at Ludwigstrasse 7 (four rental lots), which he owned in 1914/15, Alfred Bernheim also purchased the house at Ludwigstrasse 15 in 1916, in which the Bernheims also had a store.