SVEGTEO FRO! £Ol Nathan Glazer JOSHUA LEDERBERG anes BLOOD AUG 31 1971 I enjoyed your article in Publme Interest, and hope to chat with you about similar issues during the coming year. Your criticisms of Titmuss' analysis are well founded. Our total lack of system in bhe blood ‘market! Cand in many related areas) strikes me as the fundamental defect. The prevalence of hepatitis raises many even more complex questions. Sincerely, PROFESSOR JOSHUA LEDERBERG Departinent of Genetics School of Medicine Stanford University Stanford, California 94305