From yee Wiki:
Richard Haag (b. 1923) is a Landscape Architect, famous for his work on Gas Works Park in Seattle, Washington, and on the Bloedel Reserve on Bainbridge Island.
He is also noted for founding the Landscape Architecture Program at the University of Washington, and for holding multiple design awards. His designs call to mind the current trend of being one with and improving the environment.
The social movement that created the hybrid car also demanded sustainable design, and Richard Haag provided it in the most distinctive and astounding ways. Richard Haag's Modernist and Minimalist ideals set the tone for Northwestern Landscape Design and has placed the Northwest on the road towards ecologically-minded design.