Sir William Arthur Lewis was a Saint Lucian economist and the James Madison Professor of Political Economy at Princeton University. Lewis was known for his contributions in the field of economic development. In 1979, he was awarded the Nobel Memorial Prize in Economic Sciences.

Saint Lucia is an island country of the West Indies in the eastern Caribbean. The island was previously called Iouanalao and later Hewanorra, names given by the native Arawaks and Caribs (respectively), two Amerindian peoples. Part of the Windward Islands of the Lesser Antilles, it is located north/northeast of the island of Saint Vincent, northwest of Barbados and south of Martinique. It covers a land area of 617 km2 with an estimated population of over 180,000 people as of 2018. The nation's capital and largest city is Castries.