The Duke of Manhattan suffering from Petrifold Regression. (TV: New Earth [+]Russell T Davies, Doctor Who series 2 (BBC One, 2006).)
Petrifold Regression was a disease that turned the victim's body to stone. When affected by the disease, the victim's skin turned grey and developed hard lumps. Movement was slowed down until the victim was immobilised. The Duke of Manhattan suffered from this disease.
The cure for it was found by the Sisters of Plenitude in 5,000,000,023 and by humans on 20 August 5,000,001,023. (TV: New Earth [+]Russell T Davies, Doctor Who series 2 (BBC One, 2006)., PROSE: Time Traveller's Diary [+]Chris Farnell, BBC Children's Books (2020).)
