Given name: Józef Family name: Kornberg

Skin and venereal diseases, Solna Street No. 12, flat 5, later on Solna Street No. 12, flat 3 (it might be a mistake).

Warsaw Telephone Directory 1939 (SASTW - Spis Abonentow Sieci Telefonicznej m.st. Warszawy 1939): Doctor of Medicine, skin, urogenital and venereal diseases, Senatorska Street No. 24, telephone number: 2-39-97.