John Nash was an English architect who helped define Regency style. He established his own practice in 1777 and became influential through his friendship with the Prince Regent. Some of Nash's notable works included developing Regent's Park and Regent Street in London, remodeling the Royal Pavilion in Brighton, and beginning reconstruction of Buckingham Palace. Nash made immense contributions to London's architecture and helped establish neoclassical style as admired by the Prince Regent.