Donella Meadows (1941-2001) was an American environmental scientist, author, and professor. She was a leader in the field of systems thinking and sustainability, and is best known for her book, “The Limits to Growth” (1972). Meadows was a professor at Dartmouth College and a research fellow at the Stockholm Environment Institute. She wrote several books and articles on environmental issues, and was a frequent speaker at conferences and workshops. Meadows was a passionate advocate for sustainability and was instrumental in the development of the field of systems thinking. She was a pioneer in the use of computer models to analyze complex systems, and her work has had a lasting impact on the environmental movement.