Question: Vladas Jurgutis is the father of what currency introduced in 1922? 
Sentence (from "Guyanese dollar"): When sterling began to depreciate in the early 1970s, a switch to a US dollar peg became increasingly attractive as an anti-inflationary measure and the Eastern Caribbean Currency Authority (of which Guyana was a member) made the switch in October 1975.
Relevant evidence: No