Following the deaths of Tkachuk's father and grandmother in 1921 the responsibility to provide for the family went to his mother, Olena.

He was interested in ethnography; was a member of local choreographic group "Prosvita" (ukr.

He was connected with a literary group of young writers and journalists called "The Twelve" (ukr.

Following the Soviet annexation of Eastern Galicia and Volhynia, Tkachuk joined the Writer's Union of Ukraine, and became a student of Lviv University (ukr: Львівський університет).

[4] In 1941 Tkachuk joined to Red Army and was killed during the East Prussian Offensive.