Marjory Stoneman Douglas was an American author, journalist, and environmental activist born on April 7, 1890, in Minneapolis, Minnesota. She is best known for her work in preserving the Everglades, a unique ecosystem in Florida. Her influential book, "The Everglades: River of Grass," published in 1947, highlighted the importance of this region and helped raise awareness about environmental conservation. In addition to her environmental efforts, Douglas was a strong advocate for women's rights and social justice. She played a significant role in various organizations, including the National Audubon Society and the Florida Federation of Women's Clubs, promoting activism and education throughout her life. Douglas passed away on May 14, 1998, leaving a lasting legacy in environmentalism.