Néstor Kirchner, who served as president of Argentina from 2003 to 2007, has died at the age of 60 from a severe heart attack. Kirchner, who oversaw the nation’s economic recovery after a currency collapse, was married to the country’s current president, Cristina Fernández de Kirchner. He was also her closest advisor. Kirchner was leader of the left-wing Peronist party and often criticized private business and the International Monetary Fund. Political observers have suggested he handed his wife power temporarily, so that he could continue his rule without breaking term-limit laws. He was expected to run for president again next year.