Max Halberstadt has been one of the most famous portrait photographers in 1920s Hamburg. His popularity was due to the iconic photographs he took of his father-in-law, Sigmund Freud. Today, those photographs are the official portraits of the father of psychoanalysis and have been published worldwide. Alas, Halberstadt’s name is virtually unknown today. Michèle Halberstadt investigates her surname, paternal history, and Max’s career.