A look in photos at New York City Mayor Ed Koch through the years.
Ed Koch during his service in the U.S. Army in France in 1944.
Supporters of the “Committee to Save Grand Central Station,” from left, architect Philip Johnson, Jacqueline Kennedy Onassis, Bess Myerson, and Rep. Ed Koch leave Grand Central Terminal after holding a news conference in an attempt to prevent the construction of an office tower over the city's landmark train station. (Jan. 30, 1975)
New York City mayoral candidate Ed Koch in Manhattan. (Sept. 1, 1977)
Ed Koch in the office of his campaign manager, David Garth, in September 1977.
Rep. Herman Badillo, left, announces his support for fellow Rep. Ed Koch in the latter's bid for a victory in the Democratic mayoral runoff. (Sept. 12, 1977)
Ed Koch and Mario Cuomo before their last debate in the 1977 mayoral race. The race was marked by bitter accusations between the two front-runners, and Cuomo supporters famously planted signs around the city accusing Koch of being a homosexual.
Congressman and New York City Mayor-elect Ed Koch celebrates in New York on the night he was elected mayor for the first time. From left: Bess Myerson, Carol Bellamy, Diana Goldin and husband Harrison Goldin. (Nov. 8, 1977)
Ed Koch on the bus with Bess Myerson on the way to his mayoral inaugration in January 1978.
New York City Mayor Ed Koch appears with city Comptroller Harrison J. Goldin during their testimony before the House Banking subcommittee on economic stabilization in Washington. (March, 8, 1978)
New York Mayor Ed Koch, second from left, speaks with reporters after attending a meeting in Washington with Vice President Walter Mondale about New York's gasoline problems. Also pictured are Rep. Leo C. Zeferetti (D-N.Y.), far left, and Rep. Elizabeth Holtzman, second from right. (June 28, 1979)
Vice President Walter Mondale, left, gets together with Lt. Gov. Mario Cuomo, New York City Mayor Ed Koch and former New York City Mayor Abe Beame in New york for the first meeting of the New York State Citizens' Committee for Carter-Mondale. (Nov. 28, 1979)
Queens Borough President Donald Manes with Mayor Ed Koch after Koch broke the ground with a large construction backhoe to mark the beginning of the storm sewer construction in the area. (July 16, 1979)
New York Mayor Ed Koch greets a commuter who had walked across the Brooklyn Bridge upon his arrival on the Manhattan side of the city during the city's transit strike in 1980. Koch told New Yorkers crossing the Brooklyn Bridge that they were on a “bridge over troubled waters” but that the city would survive the strike. (April 7, 1980)
New York Mayor Ed Koch stands among Beatles' fans paying tribute to the late John Lennon during a silent vigil that Koch called in New York's Central Park. (Dec. 14, 1980)
New York City Mayor Ed Koch marches in a Labor Day parade down Fifth Avenue. (Sept. 7, 1981)
New York City Mayor Ed Koch makes his concession speech after losing the Democratic gubernatorial primary election to New York Lt. Gov. Mario Cuomo in New York. Many believe that disparaging comments made by Koch about life in suburbia helped doom his campaign, which was a rematch of the 1977 race between the two mayoral hopefuls. (Sept. 24, 1982)
New York Mayor Ed Koch kisses singer-actress Diana Ross at the steps of City Hall in New York. (July 6, 1983)
New York City Mayor Ed Koch raises his hands with two thumbs up while addressing the opening session of the 1984 Democratic National Convention in San Francisco. (July 16, 1984)
New York City Mayor Ed Koch shakes hands with Democratic presidential candidate Walter Mondale before a news conference at Capital Hill. Also pictured is Rep. Peter Rodino (D-N.J.) (Oct. 4, 1984)
Mayor Ed Koch at the conclusion of the State of the City address. (Jan. 30, 1985)
New York Mayor Ed Koch poses with former Miss USA Bess Myerson. A close friend of the mayor, Myerson was forced to resign as the city's cultural affairs commissioner in 1987 after she was indicted on several charges stemming from an alleged plot to bribe a judge to reduce child support payments for her companion. She was eventually acquitted of all charges. (May 14, 1985)
New York Mayor Ed Koch raises his arms in victory at the Sheraton Centre in Manhattan after winning the Democratic primary in his bid for a third four-year term. (Sept. 11, 1985)
Officials join together to press a button to raise the final beam during topping off ceremonies at New York's 7 World Trade Center in lower Manhattan. Standing from left: New York City Mayor Ed Koch; Larry Silverstein, developer; Robert E. Linton, chairman of Drexel Burnham Lambert; and New York Gov. Mario Cuomo. (July 3, 1986)
New York Mayor Ed Koch gets his head powered by a makeup artist before the start of his new television call-in program, “Koch on Call,” at New York's Channel 5. (March 15, 1987)
New York Mayor Edward I. Koch greets onlookers as he arrives at New York's Columbia Presbyterian Hospital Neurological Center. (Aug. 13, 1987)
Andrew Cuomo and Mayor Ed Koch speak during hearings in Brooklyn for HELP, the Housing Enterprise for the Less Privileged, an organization that seeks to help find transitional housing for the homeless. (March 28, 1988)
From left, New York City Mayor Ed Koch, the Rev. Jesse Jackson, New York Gov. Mario Cuomo and Manhattan Borough President David Dinkins appear in New York after a more than two-hour "peace session" convened by Cuomo. Koch apologized for his attacks on Jackson during the latter's 1988 bid for the Democratic presidential bid. (Aug. 31, 1988)
Mayor Ed Koch, left, tries to speak with angry ACT UP (the AIDS Coalition to Unleash Power) protesters outside the newly dedicated AIDS nursing unit at the Terence Cardinal Cooke Health Care Center in New York. Koch, widely believed to be gay himself, came under heavy criticism during his closing days as mayor for allegedly not doing enough to help the AIDS epidemic in the city. (April 21, 1989)
New York City Democratic mayoral contenders listen to a question put to them during the first full primary debate in New York. From left, Comptroller Harrison J. Goldin, former MTA Chairman Richard Ravitch, Manhattan Borough President David Dinkins and incumbent Ed Koch. Dinkins would unseat Koch in the primary and go on to defeat Republican candidate Rudolph Giuliani in the general election. (July 26, 1989)
New York City Mayor Ed Koch greets onlookers while taking a walking tour along Manhattan's Madison Avenue. Koch, who is running for re-election, was asking passersby to vote for him in Tuesday's Democratic primary. (Sept. 11, 1989)
New York City Mayor David Dinkins takes the oath of office during a public ceremony on the steps of City Hall during his inauguration as New York's 106th mayor. His wife, Joyce, holds the Bible while Judge Fritz W. Alexander, right, administers the oath. Former New York City Mayor Ed Koch, far left, looks on. (Jan. 1, 1990)
Former New York City Mayor Ed Koch in November 1993.
Former New York City Mayor Ed Koch listen as Gov. George Pataki speaks to reporters before they board a flight to Israel at JFK Airport to attend the funeral of assassinated Israeli Prime Minister Yitzhak Rabin. (Nov. 6, 1995)
Former New York Sen. Alfonse D'Amato, left, and former New York City Mayor Ed Koch pose with boxing gloves during a news conference in New York. D'Amato and Koch, once bitter political enemies, teamed up to hype their bi-weekly joint column in New York magazine. (March 8, 2000)
Former New York Mayor Ed Koch speaks at the first day of the Republican National Convention in New York. Koch, a lifelong Democrat, endorsed President George W. Bush for re-election in his speech. (Aug. 30, 2004)
Former New York City mayor Ed Koch speaks near the Brooklyn Bridge before the National Geographic exhibition “Tutankhamun and the Golden Age of the Pharaohs” at Discovery Times Square Exposition. (March 23, 2010)
New York Democratic gubernatorial candidate Andrew Cuomo receives an endorsement from former New York City Mayor Ed Koch at a news conference at John Jay College. (Oct. 5, 2010)
Ed Koch, with the Queensboro Bridge in the distance, celebrates the renaming of the bridge in his honor at the Water Club Restaurant in Manhattan. (May 19, 2011)
Former New York Mayor Ed Koch leaves a morning breakfast with city leaders and members of the business community where current Mayor Michael Bloomberg discussed the growth of lower Manhattan after the Sept. 11 attacks. (Sept. 6, 2011)
NYPD Commissioner Ray Kelly, second from left, joins New York City Mayor Michael Bloomberg and former Mayors Rudy Giuliani and David Dinkins at the funeral of former Mayor Ed Koch at Temple Emanu-El in Manhattan on Monday. Koch served as New York City mayor for three terms, from 1978 to 1989. (Feb. 4, 2013)
The coffin holding bearing the body of former New York City Mayor Ed Koch is carried from Temple Emanu-El in Manhattan on Monday by an NYPD contingent after his funeral. (Feb. 4, 2013)