Neglected by art history for decades, Jo van Gogh-Bonger, the sister-in-law to Vincent van Gogh, is finally being recognized as the force who opened the world’s eyes to his genius.This story was written by Russell Shorto and recorded by Audm. To hear more audio stories from publications like The New York Times, download Audm for iPhone or Android. Subscribe today at nytimes.com/podcasts or on Apple Podcasts and Spotify. You can also subscribe via your favorite podcast app here https://www.nytimes.com/activate-access/audio?source=podcatcher. For more podcasts and narrated articles, download The New York Times app at nytimes.com/app.