 While this definitive treatise came too late to substantially impact postwar recovery efforts, preliminary pamphlets containing key results from the Minnesota Starvation Experiment were produced and used extensively by aid workers in Europe and Asia in the months following the cessation of hostilities.Ancel Keys was the lead investigator of the Minnesota Starvation Experiment.He was responsible for the general supervision of the activities in the Laboratory of Physiological Hygiene and was directly responsible for the X-ray analysis and administrative work for the project.