Question: Which Russian linguist and historian whose teachings formed a nucleus of the Prague School of structural linguistics published in Michigan Slavic Publications founded by Ladislav Matejka?
Sentence (from "Jan Firbas"): Even though he was frequently invited to give lecture series at universities across the globe in the 1970s and 80s, he could freely accept the invitations only after the fall of the communist regime in November 1989.
Relevant evidence: No