Kostetsky, Pliaton [Костецький, Плятон; Kostec'kyj, Pljaton], b 2 July 1832 in Viatskovychi, Sambir circle, Galicia, d 1 May 1908 in Lviv. Publicist and writer. Graduating from the law faculty of Lviv University (1853), he edited the first Ukrainian weekly Zoria halytska (1855–6) and contributed to the periodicals Halychanyn (1867–70) and Rus'ka chytanka (1871). In the 1860s he became a proponent of the Polish cause and began to collaborate with various Polish newspapers. He edited the Polish daily Gazeta narodowa in Lviv (1869–1908). In Ukrainian he published the poetry collection Poeziï rus'ki (Ruthenian Poems, 1862) and several short stories about the Lemkos under the pseudonym Vasyl Suskii.

[This article originally appeared in the Encyclopedia of Ukraine, vol. 2 (1988).]