Terry Pratchett, author of the bestselling Discworld fantasy series, has died aged 66 after suffering from Alzheimer's Disease.
He wrote over 70 books, and was adored by adults and children alike for his wit, imagination and humour.
With his distinctive black hat and white beard Pratchett, was a recognisable figure in UK literature and became an outspoken advocate for Alzheimer's patients and the right to assisted dying in his later years.
His best quotes give a glimpse into why he became one of Britain's best-known and best-loved creative minds.
His death was announced to fans on Twitter in a series of messages shortly after 3pm.
The messages read: "AT LAST, SIR TERRY, WE MUST WALK TOGETHER.
"Terry took Death's arm and followed him through the doors and on to the black desert under the endless night.