This three-part article presents the history of archaeological research in Jordan, especially in the last one hundred years and concentrating on methodological advances. The first part of the article by Gary Rollefson covers the prehistoric periods, first by presenting the achievements of the pioneers and then by concentrating on research developments in the Neolithic and Chalcolithic periods from 9,750 to 3,750 BC. The second part of the article by Katharina Schmidt covers the Bronze and Iron Ages and highlights trends in archaeological research over the past one hundred years. The third part of the article by Robert Schick presents archaeological research in the Hellenistic to Islamic Periods, focusing on the contribution of foreign researchers, and presenting developments by decade