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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.


There are 100 past honorary members.

Click on a column heading to sort the list. Click again to reverse the order.

Name Nation(s)sort icon Start End
Struvé, Dr. Otto USA 1959 1963
Adams, Dr. Walter Sydney USA 1945 1956
Stebbins, Dr. Joel USA 1958 1966
Schlesinger, Dr. Frank USA 1916 1943
Burnham, Prof. Sherburne Wesley USA 1891 1921
Campbell, Prof. William Wallace USA 1905 1938
Frost, Prof. Edwin Brant USA 1906 1935
Pickering, Mr. William Henry USA 1894 1938
Lowell, Prof. Percival Lawrence USA 1916 1916
Russell, Prof. Henry Norris USA 1946 1957