William Sangster was a prominent Scottish-born nurseryman and garden designer who played a pivotal role in shaping the landscape of Melbourne, Australia during its formative years. He was instrumental in introducing the picturesque style of landscape design to the region, which emphasized natural beauty and harmonious integration with the environment. His contributions to public gardens are particularly noteworthy, with designs such as the Carlton Gardens, the Daylesford Public Garden at Wombat Hill, and the Victoria Gardens in Prahran, which remain significant landmarks today. In addition to his public works, Sangster also designed several private gardens that reflect his expertise and vision, including Como House in South Yarra, Rupertswood in Sunbury, and the Rippon Lea Estate in Elsternwick. His influence extended beyond design; in the 1880s, he became a prominent writer on horticulture, contributing articles to The Australasian under the pseudonym "Hortensis." Sangster's legacy endures through the gardens he created, which continue to be cherished by the community and serve as a testament to his innovative approach to landscape architecture.