Andrew Jackson Downing

American architect and horticulturist Andrew Jackson Downing wrote the classic A Treatise on Landscape Gardening (1841) and designed the grounds of the White House and the Capitol of the United States.

He prominently advocated the Gothic revival and edited The Horticulturist magazine from 1846 to 1852. People consider this founder.

https://en.wikipedia.org/wiki/Andrew_...