Ed Koch, the outspoken former New York City mayor who typically greeted constituents with a "How'm I doin'?" died Friday at the age of 88. After serving three terms as mayor, he practiced law, hosted a radio show, was a newspaper columnist and made countless appearances on TV series as himself. Koch's ebullient personality made him a particular notable and popular public figure nationwide.
Michael Bloomberg, current New York City mayor. A business magnate, politician and philanthropist, Bloomberg's net worth was $25 billion in 2012, making him the 10th-richest person in the United States.
Rahm Emanual, current Chicago mayor. Emanuel previously served as the White House Chief of Staff to President Barack Obama, a member of the United States House of Representatives and as senior advisor to President Bill Clinton from 1993 to 1998. He is also Chicago's first Jewish mayor.
Cory Booker, current Newark, NY mayor. Booker has gained a reputation for his personal involvement in public service, including allowing hurricane Sandy victims into his home, rescuing a dog from freezing winter weather and saving a woman from a house fire at his own risk.
Rudy Giuliani, former New York city mayor. Giuliani served two terms as Mayor of New York City and was credited with initiating improvements in the city's quality of life and with a reduction in crime. He gained international attention for his leadership during and after the September 11, 2001 attacks on the World Trade Center. He was named Time Person of the Year in 2001.
Gary Condit, former mayor of Ceres, California mayor. Best known his work as a U.S. Congressman, Condit was also one of the youngest mayors in California. He became the subject of national news coverage after the disappearance of Chandra Levy, a Washington, D.C., intern originally from Condit's district. Condit confessed that the two had an affair, but was found to have no involvement in Levy's death.
Luke Ravenstahl, current Pittsburgh mayor. Winning both a special election and a regular election, the 32-year-old Pittsburgh native holds the distinction of being the youngest mayor of any major U.S. city.
Julian Castro, current mayor of San Antonio, Texas. At 38, he is the youngest mayor of a Top 50 American city. Castro delivered the keynote address at the 2012 Democratic National Convention in Charlotte, North Carolina. The twin brother of politician Joaquín Castro, Julian is the first Hispanic ever to deliver a keynote address at a Democratic National Convention.
Kwame Kilpatrick, former Detroit mayor. Kilpatrick's time in office was plagued by numerous scandals and rampant accusations of corruption. He eventually resigning after being charged with ten felony counts and served time in prison. In 2005, Time magazine named Kilpatrick as one of the worst mayors in America.