 At IPPT: 1954-1959 Professor since 1929 |  At IPPT: 1953-1964 Professor since 1930 |  At IPPT: 1953-1982 Professor since 1946 |  At IPPT: 1953-1972 Professor since 1946 |  At IPPT: 1955-1972 Professor since 1946 |
 At IPPT: 1953-1991 Professor since 1952 |  At IPPT: 1953-1960 Professor since 1953 |  At IPPT: 1953-1965 Professor since 1953 |  At IPPT: 1954-1964 Professor since 1954 |  At IPPT: 1954-1963 Professor since 1954 |
 At IPPT: 1954-1964 Professor since 1954 |  At IPPT: 1955-1955 Professor since 1955 |  At IPPT: 1955-1963 Professor since 1955 |  At IPPT: 1956-1959 Professor since 1956 |  At IPPT: 1957-1960 Professor since 1957 |
 At IPPT: 1956-1959 Professor since 1957 |  At IPPT: 1958-1963 Professor since 1958 |  At IPPT: 1959-1960 Professor since 1959 |  At IPPT: 1960-1961 Professor since 1960 |  At IPPT: 1961-1962 Professor since 1961 |