With sponsorship from the Princeton-Oxford Partnership, a workshop was held at Princeton University to explore a research collaboration on the conservation of stone. Participants included Profs Heather Viles and Andrew Fowler from Oxford, Prof Christopher Hall and Dr Andrew Hamilton from the University of Edinburgh, Prof George Wheeler of Columbia University and the Metropolitan Museum of Art, Dr Eric Doehne of the Getty Conservation Institute, and from Princeton University, Prof George Scherer, Dr Rosa Espinosa, Mr Timothy Wangler, and Ms Megan McNall. A follow-up workshop will be held in Oxford next summer.