Katja Broschat is a conservator at the Römisch-Germanisches Zentralmuseum in Mainz, Germany. Florian Ströbele was a researcher between 2011 and 2019 at the archaeometry laboratories of the Römisch-Germanisches Zentralmuseum, Mainz, Germany, and of Historic England, Portsmouth, UK. Christian Koeberl is a professor of impact research and planetary geology at the University of Vienna, a full member of the Austrian Academy of Sciences, and former director general of the Natural History Museum in Vienna. Christian Eckmann is a conservator and head of the department for restoration and conservation at the Römisch-Germanisches Zentralmuseum in Mainz, Germany. Eid Mertah is a Conservator of archaeological materials in the Restoration and Conservation Department of the Egyptian Museum, Cairo.
