In this photograph by Oliver F. Atkins, Tricia Nixon, the daughter of President Richard M. Nixon and First Lady Pat Nixon, dances with Edward Cox at their wedding reception on June 12, 1971. The newlywed couple danced to "Somewhere, My Love" from the movie Doctor Zhivago for their first dance. The wedding reception took place in the East Room of the White House following a ceremony outside in the Rose Garden. Tricia Nixon's wedding ensemble was designed by Priscilla Kidder with the bride's input and featured a juliet cap and illusion silk veil.

In this photograph by Oliver F. Atkins, Tricia Nixon, the daughter of President Richard M. Nixon and First Lady Pat Nixon, dances with Edward Cox at their wedding reception on June 12, 1971. The newlywed couple danced to "Somewhere, My Love" from the movie Doctor Zhivago for their first dance. The wedding reception took place in the East Room of the White House following a ceremony outside in the Rose Garden. Tricia Nixon's wedding ensemble was designed by Priscilla Kidder with the bride's input and featured a juliet cap and illusion silk veil.

In this photograph by Oliver F. Atkins, Tricia Nixon, the daughter of President Richard M. Nixon and First Lady Pat Nixon, dances with Edward Cox at their wedding reception on June 12, 1971. The newlywed couple danced to "Somewhere, My Love" from the movie Doctor Zhivago for their first dance. The wedding reception took place in the East Room of the White House following a ceremony outside in the Rose Garden. Tricia Nixon's wedding ensemble was designed by Priscilla Kidder with the bride's input and featured a juliet cap and illusion silk veil.

In this photograph by Oliver F. Atkins, President Richard M. Nixon and American musician Elvis Presley pose for a photo in the Oval Office on December 21, 1970. Out of concern for the country, Presley wrote President Nixon a letter suggesting he be appointed a Federal Agent at Large and requested a meeting. Nixon agreed to meet Presley and, during the visit, gave him a federal narcotics badge. In turn, Presley gifted the president a pistol and some family photos for hosting the meeting.

This photograph of President Richard M. Nixon meeting with American musician Elvis Presley, Delbert "Sonny" West, and Jerry Schilling was taken by Oliver F. Atkins during the president's Oval Office "Open Hour" on December 21, 1970. Out of concern for the country, Presley wrote President Nixon a letter suggesting he be appointed a Federal Agent at Large and requested a meeting. Nixon agreed to meet Presley and, during the visit, gave him a federal narcotics badge. In turn, Presley gifted the president a pistol and some family photos for hosting the meeting.

In this photograph taken by Oliver F. Atkins, President Richard M. Nixon admires a gift given to him by American musician Elvis Presley. Presley gave the gift -- a signed photograph of the Presley family -- to President Nixon during a visit to the Oval Office on December 21, 1970. Also visible is Elvis Presley's collection of law enforcement badges, seen in a small pile on the edge of the Resolute Desk. Out of concern for the country, Presley wrote Nixon a letter suggesting he be appointed a Federal Agent at Large and requested a meeting. Nixon agreed to meet Presley and, during the visit, gave him a federal narcotics badge. In turn, Presley gifted the president a pistol and some family photos for hosting the meeting.

This photograph of President Richard M. Nixon meeting with American musician Elvis Presley in the Oval Office was taken by Oliver F. Atkins on December 21, 1970. White House staff member Egil Krogh is seen looking on at right. Out of concern for the country, Presley wrote President Nixon a letter suggesting he be appointed a Federal Agent at Large and requested a meeting. Nixon agreed to meet Presley and, during the visit, gave him a federal narcotics badge. In turn, Presley gifted the president a pistol and some family photos for hosting the meeting.

This photograph of President Richard M. Nixon meeting with American musician Elvis Presley, Delbert "Sonny" West, and Jerry Schilling was taken by Oliver F. Atkins during the president's Oval Office "Open Hour" on December 21, 1970. Out of concern for the country, Presley wrote President Nixon a letter suggesting he be appointed a Federal Agent at Large and requested a meeting. Nixon agreed to meet Presley and, during the visit, gave him a federal narcotics badge. In turn, Presley gifted the president a pistol and some family photos for hosting the meeting.

This photograph of President Richard M. Nixon meeting with American musician Elvis Presley in the Oval Office was taken by Oliver F. Atkins on December 21, 1970. President Nixon can be seen admiring Presley's cufflinks while White House staff member Egil Krogh is seen looking on at right. Out of concern for the country, Presley wrote President Nixon a letter suggesting he be appointed a Federal Agent at Large and requested a meeting. Nixon agreed to meet Presley and, during the visit, gave him a federal narcotics badge. In turn, Presley gifted the president a pistol and some family photos for hosting the meeting.

In this photograph taken by Oliver F. Atkins, Tricia Nixon shows off her engagement ring to Máirín Lynch, wife of the Taoiseach of Ireland John Lynch, during the Irish Evening reception in the Blue Room of the White House on March 16, 1972. Next to them are First Lady Pat Nixon, Tricia's fiancé Edward Cox, and President Richard M. Nixon. The reception was held in honor of the Taoiseach and Mrs. Nixon's 59th birthday.

This photograph of President Richard M. Nixon, First Lady Pat Nixon, their daughter Tricia Nixon, and her fiancé Edward Cox on a stage in the East Room of the White House. The couples' engagement was announced at the Irish Evening in honor of Taioseach of Ireland John Lynch and his wife Máirín Lynch. Oliver F. Atkins photographed the announcement in the East Room of the White House on March 16, 1971.

This photograph taken by Oliver F. Atkins on June 11, 1971, shows the construction of the platform for the gazebo where Tricia Nixon and Edward Cox would exchange vows in the Rose Garden. Their wedding, which took place the next day, was the 16th documented wedding to take place at the White House and the first to be held in the Rose Garden or outdoors. Nixon was the daughter of President Richard M. Nixon and First Lady Pat Nixon. Approximately 400 guests attended the wedding.

This photograph of ABC Color Television trucks outside the gates of the White House was taken in June 1971 by Oliver F. Atkins during the wedding festivities of Tricia Nixon and Edward Cox. The wedding of Nixon to Cox garnered much attention from the media. Press members outnumbered the 400 guests by approximately two to one. The White House had to issue around 700 press credentials and even had a yellow and white striped tent erected at the tennis pavilion to serve as an outdoor press room.

In this photograph by Oliver F. Atkins, President Richard M. Nixon speaks to Apollo 11 astronauts Neil Armstrong and Edwin "Buzz" Aldrin. The phone call was live on national television as the two astronauts were on the moon and President was in the Oval Office. The phone call was called "the longest-distance phone call ever".

In this photograph, taken by Oliver F. Atkins on July 8, 1970, President Richard M. Nixon meets with leaders of the Taos Pueblo American Indian Tribal Council in the Cabinet Room in the West Wing. Among those in attendance were Taos Pueblo Governor Quirino Romero, Cacique religious leader Juan de Jesus Romero, secretary and interpreter Paul Bernal, senior councilman James Mirabal, president of the National Congress of American Indians and member of the National Council on Indian Opportunity Earl Old Person, and John Rainer, vice president of the National Congress of American Indians and member of the National Council on Indian Opportunity. Later that year, on December 15, 1970, Nixon signed bill H.R. 471 in the State Dining Room, which returned Blue Lake and surrounding mountains to the Taos Pueblo people. The land had been seized by the United States government in 1906.

In this photograph, President Richard M. Nixon and First Lady Pat Nixon walk with the departing processional following their daughter Tricia's wedding in the Rose Garden on June 12, 1971. Approximately 400 guests watched the first daughter marry law student Edward Cox in the Rose Garden. This was the first outdoor wedding ceremony ever held at the White House. This photograph is part of a personal collection belonging to former White House Executive Chef Henry Haller. As executive chef from 1966-1987, Haller oversaw food preparations for three wedding receptions at the White House for first daughters Luci Baines Johnson, Lynda Bird Johnson, and Tricia Nixon.

In this photograph, newlyweds Tricia Nixon and Edward Cox join family members and their wedding party in the Blue Room. Tricia's parents, President Richard M. Nixon and First Lady Pat Nixon stand near Tricia, along with their younger daughter, Julie Nixon Eisenhower. This photograph is part of a collection belonging to former White House Executive Chef Henry Haller. Haller served as executive chef at the White House from 1966-1987, overseeing the food preparations for the White House wedding receptions for three first daughters: Luci Baines Johnson, Lynda Bird Johnson, and Nixon.

In this photograph, taken June 12, 1971, Tricia Nixon walks down the aisle alongside her new husband Edward Cox following her wedding ceremony held in the White House Rose Garden. The wedding of the eldest daughter of President Richard M. Nixon and First Lady Pat Nixon was the 16th documented wedding to take place at the White House and the first to be held in the Rose Garden. This photograph is part of a collection belonging to former White House Executive Chef Henry Haller. Haller served as executive chef at the White House from 1966-1987, and oversaw the food preparations for the White House wedding receptions of three first daughters: Luci Baines Johnson, Lynda Bird Johnson, and Nixon.

This photograph was taken during President Richard M. Nixon's historic visit to the People's Republic of China, which occurred on February 17-28, 1972. Nixon was the first American president to take part in a State Visit to China. He intended the visit to help pave the way for normalized relations between the United States and the communist country. This photograph shows the West Lake Guest House in Hangzhou, where President Nixon spent the night on February 26th, after touring the lake and visiting the Island of Three Towers Reflecting the Moon. This photograph is part of a collection belonging to former White House Executive Chef Henry Haller. Haller served as executive chef at the White House from 1966-1987.

In this photograph, taken on February 21, 1972, President Richard M. Nixon inspects military troops from the People's Republic of China at the Capital Airport, just outside of Beijing. Chinese Premier Enlai Zhou also attended the ceremony, which was held in honor of President Nixon's State Visit. Nixon's trip marked the first time a sitting American president visited China. This photograph is part of a collection belonging to former White House Executive Chef Henry Haller. Haller served as executive chef of the White House from 1966-1987.

In this photograph, taken June 12, 1971, Tricia Nixon exchanges vows with Edward Cox during their wedding ceremony held in the gazebo of the White House Rose Garden. Theirs was the 16th documented wedding to take place at the White House and the first to be held in the Rose Garden. Nixon was the daughter of President Richard M. Nixon and First Lady Pat Nixon. This photograph is part of a collection belonging to former White House Executive Chef Henry Haller. Haller served as executive chef of the White House from 1966-1987, and oversaw food preparations for the wedding receptions for three first daughters: Luci Baines Johnson, Lynda Bird Johnson, and Nixon.

This photograph was taken on February 21, 1972, during President Richard M. Nixon's State Visit to the People's Republic of China. The president sits between his wife, Pat Nixon, and Chinese Premier Enlai Zhou. This meeting took place at the Diaoyutai State Guesthouse in Beijing. This photograph is part of a collection belonging to former White House Executive Chef Henry Haller. Haller served as executive chef at the White House from 1966-1987.

This photograph was taken on February 26, 1972, during President Richard M. Nixon's historic visit to the People's Republic of China. It was the first time an American president had taken part in a State Visit to China. In this photograph, Chinese Premier Enlai Zhou holds the hand of a young girl, who looks shyly up at President Nixon. First Lady Pat Nixon stands behind her husband. Enlai Zhou was the first Premier of the People's Republic of China after it was established as a communist state by Chairman Mao Zedong in 1949. This photograph is part of a collection belonging to former White House Executive Chef Henry Haller. Haller served as executive chef of the White House from 1966-1987.

This photograph was taken on February 21, 1972, on the first day of President Richard M. Nixon's visit to the People's Republic of China. He raises a toast with Enlai Zhou, who was the first premier of the People's Republic of China. This photograph was taken in the Great Hall of the People, a state building located on the western edge of Tiananmen Square in Beijing. This photograph is part of a collection belonging to former White House Executive Chef Henry Haller. Haller served as executive chef of the White House from 1966-1987.

This photograph of the Nixon family posing for a portrait in front of 1971 Blue Room Christmas tree was taken by Oliver F. Atkins on December 24, 1971. This photo is among the family's favorite family portraits from their White House years. Pictured from left to right is Edward Cox, Tricia Nixon Cox, First Lady Pat Nixon, President Richard M. Nixon, Julie Nixon Eisenhower, and David Eisenhower.