The Hanford History Project held the “Legacies of the Manhattan Project at 75 Years” conference in March 2017. Its Richland, Washington, meeting venue was a stone’s throw from the southern-most edge of the Hanford Nuclear Site--the place where workers produced the plutonium that fueled the “Fat Man” nuclear bomb dropped on Nagasaki on August 9, 1945.The symposium’s appeal extended well beyond local interest. Professionals from a broad array of backgrounds--working scientists, gover...