Just across the street from the Memorial to the Murdered Jews of Europe, this austere grey cuboid that sits in a quiet corner of Berlin’s Tiergarten was commissioned to pay tribute to the long-ignored thousands of homosexual individuals who were imprisoned, tortured, and murdered in the Holocaust. Between 1933 and 1945, the Nazi regime carried out a campaign against male homosexuality. They harassed Germany’s gay communities and arrested thousands of gay men under Paragraph 175, the statute of the German criminal code that banned sexual relations between men. More than…