GASKO, Mechislav was born in 1907 in Lutsk, now Volhynia Oblast.
Graduated Institute of National Economic and Institute of Red Professor.
Took part in underground Communist activities in Poland and was arrested by Polish authorities. 1925 left for the Ukrainian Soviet Socialist Republic and joined “Gart” organ, of proletarian writers. 1930 attended 1st Congress of “Zakhidna Ukraina” (Western Ukraine) Union of Revolutionary Writers and elected board member of this union.