Ricardo Luis Alfonsín is an Argentine lawyer, academic and politician prominent in the Radical Civic Union. His father, Raúl Alfonsín, was the President of Argentina from 1983 to 1989. Since 2019, he has been Argentina's ambassador to Spain.

Raúl Ricardo Alfonsín was an Argentine lawyer and statesman who served as President of Argentina from 10 December 1983 to 8 July 1989. He was the first democratically elected president after the 7-years National Reorganization Process. Ideologically, he identified as a radical and a social democrat, serving as the leader of the Radical Civic Union from 1983 to 1991, 1993 to 1995, 1999 to 2001, with his political approach being known as "Alfonsinism".