You have touched the hearts of many: Letters to an unknown soldier

The statue of an unknown soldier at Paddington Station in London was the inspiration for the project. Credit: Letters to an Unknown Soldier/14-18 NOW

A project asking people to write to an unknown First World War soldier has received over 6,000 letters so far.

The creation of Esme, 4/5. Credit: Letters to an Unknown Soldier/14-18 NOW

The Letters to an Unknown Soldier campaign care of 14-18 NOW aims to create "a new kind of war memorial made entirely of words" to mark the First World War's centenary year.

Sufyaan Sidat, a 17-year-old student from Hornchurch. Credit: Letters to an Unknown Soldier/14-18 NOW

"Our project invites everyone to step back from the public ceremonies and take a few private moments to think," the project's website states.

Written by Jack, a student from Herefordshire. Credit: Letters to an Unknown Soldier/14-18 NOW

Prime Minister David Cameron, Stephen Fry and Malorie Blackman are among those who have added their words and sentiments honouring the fallen.

Val Pallister, 60, from Knutsford, Cheshire. Credit: Letters to an Unknown Soldier/14-18 NOW

The website will stay open until 11pm on 4th August - the centenary of the moment when the then-Prime Minister Herbert Henry Asquith announced to MPs that Britain had joined the war.

Prime Minister David Cameron's letter. Credit: Letters to an Unknown Soldier/14-18 NOW

Afterwards all of the letters sent to the unknown soldier will be archived in the British Library, where they will remain permanently accessible online.

Stephen Fry, who played General Melchett in in the First World War set Blackadder Goes Forth. Credit: Letters to an Unknown Soldier/14-18 NOW

Kate Pullinger and Neil Bartlett, who created the project, explain their mission as:

If you want to add your voice, visit the campaign's website