Clue: Otto --, president of the International Astronomical Union from 1952 to 1955
We have 1 possible answer for the clue Otto --, president of the International Astronomical Union from 1952 to 1955 which appears 1 time in our database.
We have 1 possible answer for the clue Otto --, president of the International Astronomical Union from 1952 to 1955 which appears 1 time in our database.