Draft:Leonid Mosendz

Leonid Markovich Mosendz (pseudonyms:  O.Lyaskovets, Osip Lyaskovets, Rostyslav Berladnyk;, Mohyliv-Podilskyi, Podilska guberniya -  14 October 1948, Blonay, Switzerland)- Ukrainian poet, prose writer, essayist, humourist, scientist, public and statesman. Together with Yuriy Klen, he wrote under the pseudonym Porfiriy Horotak.

Biography
Leonid Mosendz was born in the city of Mohyliv-Podilskyi in the family of Mark Mosendz, a government official from the Ukrainian Mosendzy family, his mother was from Volyn, from the Lyaskovets family. Later, his mother's surname would become Mosendz's pseudonym. In addition to Leonid, the family had two sons and a daughter. When Leonid Mosendz was seven years old, his father died, and he and his mother moved to the village of Yaltushkiv, then to Yaryshiv Mohyliv district. In 1911, in Yaryshiv, Leonid Mosendz graduated from primary school, after which he entered the teacher's seminary in Vinnytsia, graduating in 1915. After graduation, he taught for a short time.

During the First World War he served in the Russian army, fighting on the Romanian front, where he was caught up in the 1917 "revolution". After his demobilisation, he taught at the higher and lower primary schools in the city of Hnivan. On 4 March 1919, he joined the Active Army UNR, where he served as a sergeant major. While in the army, he contracted typhus and was evacuated on 26 October 1919. After treatment, on 1 December 1919, he returned to teaching physics and natural history in Hnivan's lower and higher primary schools. He taught until April 1920.

After the defeat of the UPR, he emigrated. From Poland Czestochowa in 1922 he moved to Czechoslovakia, where in 1923/24 he graduated from high school and entered the chemical engineering faculty of the Ukrainian Economic Academy in Poděbrady. In 1928 he received a diploma in engineering technology and remained at the Ukrainian Academy of Economic Sciences as an assistant.

In 1931 he defended his doctoral thesis on oil refining and worked in laboratories. During the awakening of Transcarpathia in 1937/38, Mosendz taught at the State Academy in Svaliava, and after the occupation of Transcarpathia he moved to Bratislava. In 1945 he left for Austria. In the city of Innsbruck, Mosendz became friends with Yuri Klen (O. Burgardt), with whom in 1947 he published (under the joint pseudonym Porfirij Horotak) a collection of parody poems "Devilish Parabolas".

In 1946, seriously ill with tuberculosis, Leonid Mosendz moved to Switzerland, where he died in the city of Blonay 1948 in 1948 he died. He is buried in the same city, Blonay.

His legacy is rich: the collection Zodiac (1941), three poems The Eternal Ship (1940), Kanitferstein (1945) and The Volyn Year (1948), three collections of short stories and novellas Sowing, The Humble Man, Retribution and the unfinished novel The Last Prophet (posthumous edition 1960).

Works
Author of the essay "Stein - Idea and Character" (1935), the collection "Zodiac" (1941); poems "Eternal Ship" (1940), "Kanitferstein" (1945), "Volyn Year" (1948), collections of short stories "Sowing", "The Submissive Man", "Retribution"; the novel "The Last Prophet" (posthumous edition 1960).