Today, we remember Dr. Max Stern, art historian and art dealer, born in Mönchengladbach on April 18th 1904 (d. 1987), and his father, textile industrialist turned art dealer and auctioneer, Julius Stern, born on April 18th 1867 in Anröchte (d. 1934). Father and son shared the same birthday.Today, we are clarifying and contextualizing the business history of the Galerie Stern in Düsseldorf, forced to close in 1937 because the owner was of Jewish origin. Much of our activity focusses on establishing provenances for works of art associated with the gallery. In doing so, we address questions of collective memory as…