Please answer the following question: What was the name of the person who studied the Indus Valley Civilization?  Answer the above question based on the context below:  Piggott claimed that Wheeler's appointment as Director-General of the Archaeological Survey of India represented "the most remarkable archaeological achievement of his career, an enormous challenge accepted and surmounted in the autocratic and authoritarian terms within which he could best deploy his powers as administrator and excavator. No other archaeologist of the time, it seems fair to remark, could have come near to attaining his command of incisive strategy and often ruthless tactics which won him the bewildered admiration and touching devotion of his Indian staff." The Indian archaeologist Dilip K. Chakrabarti later stated that Wheeler's accomplishments while in India were "considerable", particularly given the socio-political turmoil of independence and partition. Chakrabarti stated that Wheeler had contributed to South Asian archaeology in various ways: by establishing a "total view" of the region's development from the Palaeolithic onward, by introducing new archaeological techniques and methodologies to the subcontinent, and by encouraging Indian universities to begin archaeological research. Ultimately, Chakrabarti was of the opinion that Wheeler had "prepared the archaeology of the subcontinent for its transition to modernity in the post-Partition period." Similarly, Peter Johansen praised Wheeler for systematising and professionalising Indian archaeology and for "instituting a clearly defined body of techniques and methods for field and laboratory work and training."On Wheeler's death, H. D. Sankalia of Deccan College, Pune, described him as "well known among Old World archaeologists in the United States", particularly for his book Archaeology from the Earth and his studies of the Indus Valley Civilisation. In its 2013 obituary of the English archaeologist Mick Aston, British Archaeology magazine – the publication of the Council for British Archaeology – described Aston as "the Mortimer Wheeler of our times" because despite the strong differences between their personalities, both had done much...
Answer:
Wheeler