Part of History Crime and punishment in Britain, c.1000 to the present day Prisoners at Pentonville prison spent nearly all their time alone and in their cells, for as many as 23 hours in each day.
Part of History Medicine in Britain, c.1250 to the present day Vesalius noticed that Galen had made some incorrect assumptions about the human body, as Galen had been unable to dissect human corpses.