Paul Anka is remembered for hit singles including Diana, and for writing the words of My Way.  His brother David, though less well known, had a distinguished career as a development economist.  He advised African countries on import substitution and tariff barriers, and was known as 'Yeru' (wise leader) by the African recipients of his help. 

Although long retired, his legacy still survives.  Even today when development economists advise on import substitution and tariff barriers, the Africans will crowd round, chanting the name of their former 'wise leader.'  "Yeru Anka!" they shout, "Yeru Anka!