Patrick Trader, principal investigator for Gray & Pape, will present a symposium on Thursday, April 24 at 1:30 pm. Titled Explorers in Space and Time: Examining Archaeologist’s Careers Between 1945 and 1970, the symposium discusses the rise of the profession of archaeology following the end of New Deal Archaeology and before the advent of the National Historic Preservation Act and the rise of Cultural Resource Management.