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 descending End
Frost, Prof. Edwin Brant USA 1906 1935
Hirayama, Prof. Kiyotsugu Japan 1907 1943
Williams, Mr. Arthur Stanley United Kingdom 1909 1938
Harrison, Mr. Henry USA 1913 1929
Dyson, Sir Frank Watson United Kingdom 1916 1939
Baillaud, Dr. Édouard Benjamin France 1916 1934
Lowell, Prof. Percival Lawrence USA 1916 1916
Turner, Prof. Herbert Hall United Kingdom 1916 1930
Backlund, Dr. Oskar Sweden/Russia 1916 1916
Schlesinger, Dr. Frank USA 1916 1943

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