George D. Fuller (1863–1946) was an American forester and botanist renowned for his authoritative work Forest Trees of Illinois: How to Know Them, a foundational text detailing the identification, ecology, and utility of native tree species. His writings emphasize the practical and environmental importance of forest management, highlighting the adaptability of trees like the black willow and the economic value of hardwoods such as walnut and white oak.
Fuller’s precise descriptions of tree structure, growth habits, and conservation challenges reflect his commitment to both scientific rigor and sustainable forestry. His legacy endures through his detailed observations and advocacy for responsible woodland stewardship, shaping Illinois’s approach to forest preservation and resource management.