Joel Tyler Headley was an American clergyman, historian, author, newspaper editor, adventurer and politician who served as Secretary of State of New York. Headley belonged to the American Party.
Joel T. Headley
Andrew Jackson Downing was an American landscape designer, horticulturist, writer, prominent advocate of the Gothic Revival in the United States, and editor of The Horticulturist magazine (1846–1852). Downing is considered to be a founder of American landscape architecture.
Andrew Jackson Downing
Design II, English or Rural Gothic style, Cottage Residences, 1842
Design VI, Italian style, Cottage Residences, 1842
Looking east from the top of the Washington Monument towards the National Mall and the United States Capitol in the summer of 1901. The Mall exhibited the landscape of winding paths and seemingly random plantings that Downing had designed in the early 1850s.