The history of the country town Sterdyń an administrative district of Siedlce is presented briefly. History of the hospital at this country town is described in more detail. The life, scientific, professional and organizational achievements of Sebastian Rosicki are presented (1830-1877), a distinquished Polish provincial physician. The Rosicki's successors at Sterdyń: Alojzy Podolski, Józef Tchórznicki and Adam Jarosiński and their achievements are also depicted. Rosicki described a new method of medical examination of the posterior wall of the larynx, resembling the Gustav Killian method from 1891. The hospital reports from Sterdyń hospital in the "Tygodnik Lekarski" ("Weekly Medical") are a source of interesting information concerning XIX-th century Polish medicine. Rosicki used many interesting rhinolaryngological instruments, he treated many otolaryngological diseases.