Individual Members

Professional scientists whose research is directly relevant to some branch of astronomy are eligible to apply as Individual Members. Individual Members are, normally, admitted by the Executive Committee on the proposal of a National Member.

Individual Members listed in the IAU Directory have a valid, public email, and are affiliated to at least one Division. They are labeled as "Active Members". For corrections and updates, please contact Any members remaining Inactive for more than 3 years will be removed from the IAU lists.

For combined Individual and Junior Members click here

For the Working Rules pertaining to Individual membership click here.

Additionally, while only Active Members are listed in the IAU Directory, you may still search for Active, Inactive or Deceased Members in the search field to your right.

For gender statistics click here.

Total number of IAU Individual members: 11553.  Number of Active Individual Members in the IAU Directory: 11202.


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Name▼ Location NCA adherence
Cimo', Giuseppe Netherlands Netherlands
Cincotta, Pablo M. Argentina Argentina
Ciolfi, Riccardo Italy Italy
Cionco, Rodolfo Gustavo Argentina Argentina
Cioni, Maria-Rosa L. Germany Germany
Ciotti, Luca Italy Italy
Cirkovic, Milan M. Serbia, Republic of Serbia, Republic of
Ciroi, Stefano Italy Italy
Cisewski, Jessi United States United States
Civis, Svatopluk Czech Republic Czech Republic
Claeskens, Jean-François Belgium Belgium
Claria, Juan Argentina Argentina
Clark, Barry G. United States United States
Clark, Christopher Jonathan Redfern United States United States
Clark, David M. Mexico Mexico
Clark, Frank Oliver United States United States
Clark, George W. United States United States
Clark, Thomas Alan Canada Canada
Clarke, David United Kingdom United Kingdom
Clarke, David A. Canada Canada
Clarke, John T. United States United States
Clarke, Tracy E. United States United States
Clarkson, Chris South Africa South Africa
Claudi, Riccardo U. Italy Italy
Claussen, Mark J. United States United States
Clavel, Jean Netherlands Netherlands
Clavel, Maïca France France
Clay, Roger Australia Australia
Clayton, Donald D. United States United States
Cleeves, Lauren Ilsedore United States United States
Clegg, Andrew W. United States United States
Clegg, Robin E.S. United Kingdom United Kingdom
Clem, James L. United States United States
Clemens, Dan P. United States United States
Clement, Christine Canada Canada
Clementini, Gisella Italy Italy
Clements, David L United Kingdom United Kingdom
Clesse, Sébastien Belgium Belgium
Clette, Frederic Belgium Belgium
Cliver, Edward W. United States United States
Clocchiatti, Alejandro Chile Chile
Close, Sigrid United States United States
Clowe, Douglas I. United States United States
Clowes, Roger G. United Kingdom United Kingdom
Clube, Kim L. United Kingdom United Kingdom
Cluver, Michelle E. Australia Australia
Coates, Andrew J United Kingdom United Kingdom
Cochran, Anita L. United States United States
Cochran, William David United States United States
Cockcroft, Robert Canada Canada
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