East Egg V.S West Egg
http://www.enotes.com/great-gatsby/q-and-a/what-do-east-egg-and-west-egg-represent-and-why-1597
Unrequited love has a long cultural history. The 1st century BC Roman poet Catulllus wrote about his unrequited love for Lesbia in several of his Carmina. Abraham Cowley wrote of the emotion (in "Anacreontiques: Or, Some Copies of Verses Translated Paraphrastically out of Anacreon"):
Edward Fitzgerald failed as a manufacturer of wicker furniture in St. Paul, and he became a salesman for Procter & Gamble in upstate New York. After he was dismissed in 1908, when his son was twelve, the family returned to St. Paul and lived comfortably on Mollie Fitzgerald’s inheritance. Fitzgerald attended the St. Paul Academy; his first writing to appear in print was a detective story in the school newspaper when he was thirteen.
http://www.sc.edu/fitzgerald/biography.html