In 1963, 22 elderly patients at the Jewish Chronic Disease Hospital in Brooklyn, New York were injected with live cancer cells by Chester M. Southam, who in 1952 had done the same to prisoners at the Ohio State Prison, in order to "discover the secret of how healthy bodies fight the invasion of malignant cells". The administration of the hospital attempted to cover the study up, but the New York medical licensing board ultimately placed Southam on probation for one year. Two years later, the American Cancer Society elected him as their Vice President.[51]