Most of the people consider Fredrick Law Olmsted as the founder of landscape architecture. But he considered himself as an environmental planner. He had designed many city parks including the famous Central park in New York City. He had also designed number of parks in Boston city.
Andrew Jackson Downing is yet another one of famous landscape architects who is also considered as the founder of landscape gardening. He had focused his design plans more for gardens only. He had designed gardens in numerous middle class homes in America. Since he was basically a nurseryman, he had the ability to judge the plant types suitable for variety of soil and land. He provides help to grow native plants in home gardens.
Thomas Jefferson was not only a landscape designer but he was also a politician. He designed so many estates for his friends. He devoted his efforts in designing gardens. He was proud to be called as a gardener.
Hideo Sasaki provided dedicated work for the creation of landscape architecture. He insisted that landscape architecture can be a part of architecture, civil engineering and planning. He provided various improvements in the landscape designs. His great achievements include urban design improvements in Pennsylvania.
Apart from the above mentioned landscape architects, there are number of famous architects who dedicate their efforts in order to upgrade this field.