Affiliations Positions 1948[position unknown]California Institute Of Technology1949[position unknown]California Institute Of Technology1950[position unknown]California Institute Of Technology1951[position unknown]California Institute Of Technology1952[position unknown]California Institute Of Technology 1948[subject unknown]Trustee1949[subject unknown]Trustee1950[subject unknown]Trustee1951[subject unknown]Trustee1952[subject unknown]Trustee
