HOME / Pepper : The stolen dog that changed American science. Where's Pepper? In the summer of 1965, a female Dalmatian was stolen from a farm in Pennsylvania. Her story changed America. By Daniel Engber|Posted Monday, June 1, 2009, at 10:53 AM Tweet Tweet MYSLATE Save this story. Follow all Pepper articles. Follow the Health and Science section. Follow stories by Daniel Engber. MySlate is a new tool that lets you track your favorite parts of Slate. You can follow authors and sections, track comment threads you're interested in, and more. SLATE'S MOST VIRAL “Stink Onions,” “Heart’s Farm,” “Place to Find Gold”: Literal Names of U.S. Places, Mapped Why Don’t Cops Believe Rape Victims? Brain Science Explains. Wu-Tang’s GZA Teaches Kids Science With Least-Lame Classroom Rap Ever Daniel Engber (@danengber) is a columnist for Slate. Send him an email at email@example.com. Photographs of: Julia and Peter Lakavage courtesy Margaret Anthony; Jack Clark courtesy K. Pittman; and Arthur and Helena Nersesian from FindAGrave.com Click here to load comments.