John Forrest was an Australian explorer born in 1847, known for his significant contributions to the exploration of Western Australia. He undertook several expeditions in the late 19th century, mapping uncharted territories and discovering vital resources. His work helped to open up the region for settlement and development. Forrest also served as a politician and was the first Premier of Western Australia. He played a crucial role in promoting the construction of the Goldfields Water Supply Scheme, which provided water to the arid interior of the state. His legacy is remembered for both exploration and public service.