Jams Wyatt approved a building designed made by the architect John Nash .
The commission for Hereford Gaol came after the death of William Blackburn , who was to have designed the building , Nash 's design was accepted after James Wyatt approved of Nash 's designTyack 2013 , p. 20.By 1789 St David 's Cathedral was suffering from structural problems , the west front was leaning forward by one foot , Suggett 1995 , p. 22 Nash was called in to survey the structure and develop a plan to save the building , his solution completed in 1791 was to demolish the upper part of the facade and rebuild it with two large but inelegant flying buttresses .
John Nash -LRB-architect-RRB-