At the queen's side: Prince Philip through the years

Prince Philip died April 9, 2021, at age 99. Here's a look back at the life of the man who stood by the queen's side for more than 70 years.

Pictured: Queen Elizabeth II and Prince Philip, Duke of Edinburgh, pose at Windsor Castle just after Easter in 2016. 

Born in Corfu, Greece in 1921, Prince Philip was a member of the Greek and Danish royal families.

A year later, his uncle was forced to abdicate as king, leading the family to flee to France, where this picture was taken when he was attending the MacJannet American School in the Paris suburb of St. Cloud. 

Young Prince Philip, second from left, plays with friends at the MacJannet American School in France circa 1929. 

Prince Philip of Greece dressed for the Gordonstoun School's production of "MacBeth," in Scotland in July 1935.

In 1928, Philip moved to England to continue his education, passing through a series of boarding schools.

In 1939, he joined Britain's Royal Navy, as second in command as a destroyer of the Pacific Fleet, where he saw service in the Far East and Mediterranean. 

Then Princess Elizabeth and then Philip Mountbatten pose together during their engagement in July 1947.

In 1939, when Philip was a cadet at the Royal Navy College, he began exchanging letters with Princess Elizabeth, the 13-year-old heir to the British throne.

Her early correspondence about Philip tell the tale of a besotted teenager. She described him as looking "like a Viking god." The two, third cousins, eventually got engaged in the summer of 1947.

Prince Philip as a naval officer inspecting soldiers of the naval school in Corsham, England in 1946.

Lieutenant Philip Mountbatten resumes his attendance at the Royal Naval Officers' School at Kingsmoor in Hawthorn, Wiltshire, on July 31, 1947.

Elizabeth and Philip pose with King George VI, Queen Elizabeth (the future Queen Mother) and other members of the royal family at Buckingham Palace after their wedding on Nov. 20, 1947.

Philip received the title Duke of Edinburgh on the morning of the wedding.

Prince Philip jumps off the water skis as he reaches the beach in Marmarice, Turkey on Aug. 5, 1951.

Then Princess Elizabeth, stands with her husband and their children Prince Charles and Princess Anne at Clarence House, the royal couple's London residence, on Aug. 9, 1951.

Prince Philip sits at his desk at Clarence House on Aug. 10, 1951.

Prince Philip sits in the cockpit of a Harvard training plane at England's White Waltham Airdrome on after passing his final test flight for Royal Air Force wings, on May 4, 1953.

Queen Elizabeth II and Prince Philip waves to the crowd on June 2, 1953, after she was crowned at Westminster Abbey in London.

Phillip feeds a colony of penguins during a visit to the Antarctic on Feb. 8, 1957.

In 1960, the family was joined by a third child, Prince Andrew, who is seen here with his parents and siblings outside Balmoral Castle in Scotland on Sept. 9.

Queen Elizabeth II and Prince Philip arrive for races at Royal Ascot on June 19, 1962. 

Prince Philip and Paraguayan dictator Alfredo Stroessner ride through downtown Asuncion in 1963.

Philip shakes hands with Ringo Starr as the other Beatles look on at the Empire Ballroom in London on March 23, 1964. From left, George Harrison, John Lennon and Paul McCartney.

Louis Mountbatten, 1st Earl Mountbatten, and his nephew Philip at a Royal Marines ceremony at Eastney in Hampshire, U.K., on Oct. 25, 1965.

Prince Philip, meets Kumara, a 7-month-old elephant, during a visit to Whipsnade Zoo, near London in 1967.

The Duke visited the zoo in his capacity as President of the London Zoological Society.

Prince Philip at work on one of his hobbies, painting, in a scene from the television documentary 'Royal Family' on June 19, 1969.

In a rare appearance, Prince Philip spoke on the British monarchy's enduring significance in Europe on Meet The Press on Nov. 9, 1969.

Princess Anne, Prince Andrew, Prince Philip, Queen Elizabeth, Prince Edward and Prince Charles at Buckingham Palace, London, on Nov. 20, 1972

Prince Philip talks to Mother Teresa in Calcutta, India, on April 26, 1973. 

As Philip looks on, Prince Charles and Princess Diana wave from the balcony of Buckingham Palace on their wedding day on July 29, 1981.

Queen Elizabeth ll and Prince Philip wave to well-wishers from their open car in Oct. 1981 in Wellington, New Zealand. 

U.S. President Ronald Reagan and first lady Nancy pose with Elizabeth and Philip at a state dinner on March 3, 1983, at the M.H. de Young Museum in San Francisco's Golden Gate Park.

Philip smiles as he makes a speech at a banquet at a Tokyo hotel held by the Japanese Equestrian Federation to welcome the Duke of Edinburgh, who is chairman of the International Equestrian Federation, Oct. 9, 1986.

Prince Philip shares a laugh with locals during a walking tour of the ancient Czech town of Kutna Hora on the second day of a three day visit by the British royal couple to the Czech Republic on March 28, 1996.

Queen Elizabeth II and Prince Philip attend the Beating the Retreat ceremony on Horseguards Parade on June 13, 1996.

From left, Prince Philip, Prince William, Earl Spencer, Prince Harry and Prince Charles walk outside Westminster Abbey during the funeral service for Diana, Princess of Wales, on Sept. 6, 1997. 

Philip rides on a mini-motorbike during the Royal Windsor Horse Show at Windsor Castle on May 13, 2005.

Queen Elizabeth II and Philip re-visit Broadlands to mark their Diamond Wedding Anniversary in Hampshire, England, on Nov. 18, 2007.

Prince Philip talks to ex-members of the Auxiliary Territorial Service outside Westminster Abbey at the official opening of the Royal British Legion's Field of Remembrance in London on Nov. 5, 2009.

Britain's Queen Elizabeth and her husband Prince Philip leave the Houses of Parliament following the annual State Opening of Parliament in London on Nov. 18, 2009.

Queen Elizabeth II and Philip walk through the Royal Gallery in the Palace of Westminster during the State Opening of Parliament in London on May 25, 2010.

Prince Phillip attends the Presentation Receptions for The Duke of Edinburgh Gold Award holders in Edinburgh on July 16, 2010.

Since 1958, The Duke of Edinburgh Awards has challenged over six million young people around the world to try new things, learn more about themselves and work together for their own benefit and that of their local communities.

Queen Elizabeth and Prince Philip walk back into the palace after attending the annual summer garden party held at Buckingham Palace in London on June 29, 2011.

Queen Elizabeth and Prince Philip laugh after bidding farewell to the Irish President Michael D. Higgins and his wife Sabina at Windsor Castle on April 11, 2014. 

Philip signs the visitors book at Hillsborough Castle, on the third and final day of the Queen's visit to Northern Ireland, on June 25, 2014, in Belfast.

Queen Elizabeth and Prince Philip leave the annual Trooping the Colour ceremony at Horse Guards Parade in central London on June 14, 2014.

The ceremony is the official celebration of the queen's birthday. 

Queen Elizabeth II and her husband Prince Philip attend the Braemar Gathering in Braemar, central Scotland on Sept. 6, 2014.

Queen Elizabeth II and members of the royal family stand on the balcony of Buckingham Palace following the traditional Trooping the Colour Ceremony on June 13, 2015.

From left: Camilla, Duchess of Cornwall, Prince Charles, Prince George, Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge, Prince Harry, Prince Philip, Duke of Edinburgh and Prince Andrew. Boy is unidentified. 

Prince Harry and Prince Phillip enjoy the atmosphere during the 2015 Rugby World Cup Final match between New Zealand and Australia at Twickenham Stadium in London on Oct. 31, 2015.

Queen Elizabeth II and Prince Phillip greet President Barack Obama and first lady Michelle Obama after landing by helicopter at Windsor Castle for a private lunch on April 22, 2016. 

Queen Elizabeth II and Prince Philip wave to guests attending the Patron's Lunch on the Mall, an event to mark her 90th birthday, in London on June 12, 2016. 

Philip Prince Charles, Prince of Wales listen to speeches before a statue of Queen Elizabeth, The Queen Mother was unveiled on Oct. 27, 2016 in Poundbury, England.

Prince Philip feeds an elephant during a visit to Whipsnade Zoo where Queen Elizabeth opened the new Centre for Elephant Care on April 11, 2017. 

Queen Elizabeth and Prince Philip observe a minute's silence in the quadrangle of Buckingham Palace, for the Grenfell Tower fire disaster, ahead of the Trooping the Color ceremony in London on June 17, 2017.

Prince Philip, in his role as Captain General, Royal Marines, attends a Parade to mark the finale of the 1664 Global Challenge on the Buckingham Palace Forecourt in central London on Aug. 2, 2017.

After a lifetime of public service by the side of his wife Queen Elizabeth II, Prince Philip finally retired on Aug. 2, at the age of 96.

The Duke of Edinburgh attended a parade of Royal Marines at Buckingham Palace, the last of 22,219 solo public engagements since she ascended to the throne in 1952.

Queen Elizabeth II and Prince Philip look at a homemade wedding anniversary card, given to them by their great grandchildren, Prince George, Princess Charlotte and Prince Louis in the Oak Room at Windsor Castle on Nov. 17, 2020 in Windsor, ahead of their 73rd wedding anniversary on Nov. 20.

Photos: Britain mourns Prince Philip