Eduardo Nicanor Frei Montalva was a Chilean political leader. In his long political career, he was Minister of Public Works, president of his Christian Democratic Party, senator, President of the Senate, and the 27th president of Chile from 1964 to 1970. His eldest son, Eduardo Frei Ruiz-Tagle, also became president of Chile (1994–2000).

Edmundo Pérez Zujovic was a Chilean businessman and politician, militant of the Christian Democratic Party (PDC). He served as Minister of State during the government of president Eduardo Frei Montalva, in the administration he led the Public Works and Interior portfolios.