Big Apple
"Big Apple" is a nickname for New York City. It was first popularized in the 1920s by John J. Fitz Gerald, a sports writer for the "New York Morning Telegraph". Its popularity since the 1970s is due in part to a promotional campaign by the New York tourist authorities.
John J. Fitz Gerald
Fitz Gerald was the sports editor of the "Daily Sports Bulletin", a sports daily, in his later years. His last name was sometimes spelled "FitzGerald" by others, but "Fitz Gerald" was the spelling used in his "Morning Telegraph" column. He is best known today for popularizing "Big Apple" as a nickname for New York City.