Editors’ note: Texas Monthly Presents is a new docuseries airing on Texas PBS stations. Check your local listings, or watch full episodes here. The sixth episode of Texas Monthly Presents highlights the voices, big and small, that are catalysts for change.Contributor Tess Coody recounts the legacy of a librarian who fought for an East Texas forest, senior writer Forrest Wilder describes a man who stumbled upon an rare canid species on Galveston Island, and fact-checker Doyin Oyeniyi discovers the story of a woman who helped overturn the state’s hair-braiding restrictions.The full episode will be available on Texas PBS stations and streaming beginning Sunday, September 7. Articles in this episode The Mild-Mannered Librarian Who Saved the Big Thicket The Latest Victory for Natural Hair in Texas Can Be Traced Back to…