Born in Kansas City, Missouri, Sidney Herbert Hare attended Harvard University’s School of Architecture in 1908 and studied landscape planning under the tutelage of Frederick Law Olmsted,Jr., as one of the first students in Harvard’s newly minted landscape architecture program. Hare, who never completed his master’s coursework, joined forces with his father, Sidney Hare, in 1910, founding the firm Hare & Hare in Kansas City. Projects completed with his father include the Fort Worth Botanical Gardens and the Nelson-Atkins Museum of Art,
During World War I Herbert took a hiatus from his private sector work to work for the US government, designing military installations. After the war he continued his public sector work as a consultant on public park and planning projects as well as undertaking private commissions for the firm Following the death of his father in 1938, he continued working on such projects as government subsidized housing during World War II, the campus of Kansas State University, and plans for Lake Jacomo, until his death in 1960.
Throughout his career, Hare was actively involved with the profession, publishing and lecturing on landscape planning and design. He was made a fellow of the American Institute of Park Executives and the American Society of Landscape Architects and served as the director of the American Institute of Planners, and Vice President and President of the American Society of Landscape Architects.