John Vliet Lindsay (/vliːt/; November 24, 1921 – December 19, 2000) was an American politician, lawyer, and broadcaster. During his political career, Lindsay was a U.S. congressman, mayor of New York City, and candidate for U.S. president. He was also a regular guest host of Good Morning America. Lindsay served as a member of the United States House of Representatives from January 1959 to December 1965 and as mayor of New York City from January 1966 to December 1973. He switched from the Republican to the Democratic Party in 1971, and launched a brief and unsuccessful bid for the 1972 Democratic presidential nomination as well as the 1980 Democratic nomination for Senator from New York. He died from Parkinson's disease and pneumonia in Hilton Head Island, South Carolina on December 19, 2000.