Bra . Liefray |
1852 - |
1862 |
|
Bra . Gregary |
1862 |
||
Bra . Venere |
1863 - |
1864 |
|
Bra . Lathaire |
1864 - |
1871 |
|
Bra . Sagattaire |
1871 - |
1881 |
|
( 1881 - |
Dec . 1885 : |
Brathers |
Left ) |
Dec . 1885 - |
July |
1888 |
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July |
1888 - |
July |
1889 |
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July |
1889 - |
Nav . 1893 |
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Nav . 1893 - |
Feb . 1894 |
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Feb . 1894 - |
March 1896 |
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March |
1896 - |
April |
1899 |
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April |
1889 - |
Nav . 1900 |
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Nav . 1900 - |
March 1914 |
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Aug . 1907 - |
June 1908 Acting |
Director ) |
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March 1914 - |
April |
1921 |
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April |
1921 - |
Feb . 1922 |
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Feb . 1922 - |
April |
1927 |
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April |
1927 - |
Dec . 1933 |
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Jan . 1934-Feb . |
1936 |
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March 1936 - |
July |
1937 |
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JVly 1937 - |
June 1939 |
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June 1939 - |
August |
1939 |
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Sept 1939 - |
April |
1947 |
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April |
1947 - |
Sept . 1947 |
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Sept . 1947 - |
Sept . 1950 |
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Jan . 1950 - |
Dec . 1950 |
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Jan . 1951 -Dec. |
1956 |
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Jan . 1957 -Dec. |
1963 |
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Jan . 1964-Dec . |
1967 |
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Jan . 1967 - |
June 1974 |
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June 1974 - |
to date . |