 Later, in 1895–1900, the digs by German archeologist Baron Friedrich Hiller von Gaertringen revealed the ruins of ancient Thera on Mesa Vouno.Also, a little later, R. Zahn excavated in the locality of Potamos, near Akrotiri, under the auspices of the German Archaeological Institute at Athens.Extensive modern excavation was started in 1967 by Spyridon Marinatos and revealed the full value of this site.