Past Honorary Members

Honorary Membership was limited to 10 from 1890-1900, and to 15 from 1901 onwards. Corresponding Membership was a lesser class of Honoris causa membership in the early years. A few honorary members, such as Barnard, were first made corresponding members for a short time before being recommissioned as honorary members.

Nation(s) Startsort ascending End
Russell, Prof. Henry Norris USA 1946 1957
Hertzsprung, Prof. Ejnar Denmark 1946 1967
Adams, Dr. Walter Sydney USA 1945 1956
Bruce, Mr. William Canada 1927 1927
Turner, Prof. Herbert Hall United Kingdom 1916 1930
Lowell, Prof. Percival Lawrence USA 1916 1916
Backlund, Dr. Oskar Sweden/Russia 1916 1916
Schlesinger, Dr. Frank USA 1916 1943
Dyson, Sir Frank Watson United Kingdom 1916 1939
Baillaud, Dr. Édouard Benjamin France 1916 1934

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