Prince Philip, the Duke of Edinburgh, born Prince Philip of Greece and Denmark, and later named Philip Mountbatten, was the husband of Queen Elizabeth II. As such, he served as the consort of the British monarch from Elizabeth's accession as queen on 6 February 1952 until his death in 2021, making him the longest-serving royal consort in history.

Prince Philip was born in Greece, into the Greek and Danish royal families; his family was exiled from the country when he was eighteen months old. After being educated in France, Germany, and the United Kingdom, he joined the Royal Navy in 1939, when he was 18 years old.

In July 1939, he began corresponding with the 13-year-old Princess Elizabeth who was already quite smitten with him.

During the Second World War, he served with distinction in the British Mediterranean and Pacific fleets.

In the summer of 1946, the King granted Philip permission to marry Elizabeth. Before the official announcement of their engagement in July 1947, Philip stopped using his Greek and Danish royal titles and styles, became a naturalized British subject, and adopted his maternal grandparents' surname Mountbatten. He married Elizabeth on 20 November 1947. The day prior to their wedding, the King granted Philip the style His Royal Highness.

As consort to the Queen, Prince Philip supported his wife in her new duties as sovereign, accompanying her to ceremonies such as the State Opening of Parliament in various countries, state dinners, and tours abroad.

Prince Philip was not himself crowned in the coronation service, but knelt before Elizabeth, with her hands enclosing his, and swore to be her "liege man of life and limb."

A sports enthusiast, Philip helped develop the equestrian event of carriage driving. He was a patron, president, or member of over 780 organizations, including the World Wide Fund for Nature, and served as chairman of The Duke of Edinburgh's Award, a youth awards program for young people.

He is the longest-lived male member of the British royal family. He retired from his royal duties in 2017, aged 96, having completed 22,219 solo engagements and 5,493 speeches from 1952.

Prince Philip died peacefully at Windsor Castle. It was said that his death was "so gentle. It was just like somebody took him by the hand and off he went." He is now forever “In Heaven with the Stars.”