Affiliations Positions 1949[position unknown]Harvard University1950[position unknown]Harvard University1951[position unknown]Harvard University1952[position unknown]Harvard University1953[position unknown]Harvard University1954[position unknown]Harvard University1955[position unknown]Harvard University1956[position unknown]Harvard University 1949[subject unknown]Trustee1950[subject unknown]Trustee1951[subject unknown]Trustee1952[subject unknown]Trustee1953[subject unknown]Trustee1954[subject unknown]Trustee1955[subject unknown]Trustee1956[subject unknown]Trustee