An Architect of the Georgian and Regency Eras John Nash was a British architect of the Georgian and Regency eras. He was responsible for the design of many important areas of London in the neoclassical and picturesque styles. His most famous solo designs include the Royal Pavilion in Brighton, Marble Arch, and Buckingham Palace. Working with the developer James Burton, he also designed Regent Street and collaborated with Decimus Burton on projects such as Regent's Park and Carlton House Terrace. Nash's work extended across various regions: In Wales, he designed prisons in Carmarthen, Cardiga…