Fredrik Magnus Piper (1746–1824) was a Swedish landscape architect and architect. He introduced the theory and practice of the English landscape garden to Sweden. Among his tangible contributions are the creation of the general plan for the royal park Hagaparken in Stockholm, part of the current Royal National City Park, and contributions to the development of the park at Drottningholm Palace. Biography. Fredrik Magnus Piper was a nobleman but came from a bourgeois family, his father having been ennobled only in 1776.
https://en.wikipedia.org/wiki/Fredrik_Magnus_Piper