Sir Terry Pratchett and his rare Alzheimer's diagnosis

Read about Sir Terry Pratchett's dementia diagnosis of posterior cortical atrophy (PCA), a rare type of Alzheimer's disease.

Terry Pratchett, author of fantasy 'Discworld' novels, dies at 66

We Love You, Terry Pratchett

Sir Terry Pratchett forced to cancel public appearance as Alzheimer's takes its toll

Terry Pratchett, fantasy author, dead at 66 after battle with Alzheimer's

Terry Pratchett: my case for a euthanasia tribunal, Assisted dying

About Sir Terry - Sir Terry Pratchett

Tributes flow for British author Terry Pratchett

Terry Pratchett - Wikipedia

Terry Pratchett - Wikipedia

Terry Pratchett 'took Death's arm and followed him through the door' as the best-selling author dies - Irish Mirror Online

Sir Terry Pratchett: A watershed moment for dementia - Alzheimer's Research UK