John Olson, a former photographer, and his team render paintings into fully textured 3-D models, like this version of Vincent van Gogh’s “Portrait of Dr. Gachet.” The tactile paintings work ...

Van Gogh’s paintings are among the most valuable in the art world. His Portrait of Dr. Gachet sold for $82.5 million, while Sunflowers fetched over $39 million. The discovery of a new Van Gogh would ...