DS/UK/120
Siepmann; Harry Arthur (1889 - 1963); Adviser to the Governors (1926 - 1945); Executive Director (1945 - 1954)
1889 - 1963
DS/UK/130
Niemeyer; Sir; Otto Ernst (1883 - 1971); Knight; Adviser to the Governors (1927 - 1938); Executive Director (1938 - 1949)
1883 - 1971