Given name: Stanisław Family name: Kon

An orthopaedic surgeon, Ogrodowa Street No. 50, flat 4, later on Chlodna Street No. 22, flat 31.

Warsaw Telephone Directory 1939 (SASTW - Spis Abonentow Sieci Telefonicznej m.st. Warszawy 1939): Doctor of Medicine, orthopaedic surgeon, Nowogrodzka Street No. 8, telephone number: 8-61-59, (previously Sienkiewicza Street No. 3).