How the Russian Revolution brought the father of the helicopter to America

Ivan Gutterman, Kristyna Foltynova & Grant Podelco

Aviation pioneer Igor Sikorsky was designing bombers for the Russian Empire when World War I broke out. Nowadays, the company he founded in the United States makes the "choppers" that transport U.S. presidents. This is the story of how the "father of the helicopter" crossed the Atlantic and made it big -- before designing the first aircraft to make regular flights across the major oceans.

This article originally appeared on Radio Free Europe/Radio Liberty. Follow @RFERL on Twitter.