Astronomical Societies
Royal Astronomical Society (London)
The Catalan Society for Physics, Chemistry and Mathematics
The Finnish Academy of Science
The International Astronomical Union
The Mathematical Circle of Palermo
Académie des Sciences (Paris)
The Royal Society of Canada
The Society of Mathematicians, Physicists and Astronomers of Slovenia
The Royal Swedish Academy of Sciences
The Catalan Society for Physics, Chemistry and Mathematics
The Finnish Academy of Science
The International Astronomical Union
The Mathematical Circle of Palermo
Académie des Sciences (Paris)
The Royal Society of Canada
The Society of Mathematicians, Physicists and Astronomers of Slovenia
The Royal Swedish Academy of Sciences