When Captain Sir Tom Moore came to the nation's attention, no one could have imagined quite how far this Second World War veteran would come in the space of a few short months.
A mission to walk a hundred laps of his garden at his Bedfordshire home turned into a giant leap for mankind: a record breaking £32 million pounds raised for the NHS, a number one single and a knighthood.
The centenarian has captured the hearts of millions becoming a national treasure and inspiring an army of charity fundraisers.
Here's his remarkable life in pictures:
Captain Sir Tom started his career in the army at he start of the Second World War serving in the Duke of Wellington's regiment and the Royal Armoured Corps.
He started his challenged to walk a hundred laps of his garden in his 100th year to raise £1,000 for the NHS on 6th April.
Captain Tom has two daughters, one of which he lives with and four grandchildren.
He completed 100 laps on 16th April flanked by 1st Battalion of the Yorkshire Regiment having raised more than £15 million.
He didn't stop there. He went on to top the singles chart in the recording of "You'll Never Walk Alone", a collaboration with West End star Michael Ball and The NHS Voices of Care Choir.
His fundraising total hit £30 million by the time of his £100 birthday at the end of that month. The record breaking veteran got a RAF spitfire flypast to say thank you. He also received a sea of cards from around the world.
Just before his birthday he won a Pride of Britain Award and was appointed the first Honorary Colonel of the Army Foundation College in Harrogate.
Finally he was knighted by the Queen at Windsor Castle. He said he was "absolutely overawed" and had "an absolutely magnificent day."