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: 11514.  Number of Active Individual Members in the IAU Directory: 11171.


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Name▼ Location NCA adherence
Terentjeva, Alexandra K. Russian Federation Russian Federation
Teriaca, Luca Nunzio Germany Germany
Ter-Kazarian, Gagik Tosik Armenia Armenia
Terlevich, Elena United Kingdom United Kingdom
Terlevich, Roberto Juan United Kingdom United Kingdom
Ternullo, Maurizio Italy Italy
Terranegra, Luciano Italy Italy
Terrell, Dirk C. United States United States
Terrile, Richard John United States United States
Tescari, Edoardo Australia Australia
Tessema, Solomon Belay Ethiopia Ethiopia
Testa, Italo Italy Italy
Testi, Leonardo Italy Italy
Teuben, Peter J. United States United States
Tevzadze, Alexander G. Georgia Georgia
Teyssier, Romain Switzerland Switzerland
Thacker, Robert J Canada Canada
Thakur, Parijat India India
Thaller, Daniela Germany Germany
Thangjam, Guneshwar India India
Thanjavur, Karunananth G Canada United States
Theis, Christian Germany Germany
Thejll, Peter Andreas Denmark Denmark
Theodossiou, Efstratios Greece Greece
Theureau, Gilles France France
Thevenin, Frederic France France
Thiébaut, Éric M. France France
Thielemann, Friedrich-Karl Switzerland Switzerland
Thierry, Dudok de Wit France France
Thoene, Christina C. Spain Spain
Tholen, David J. United States United States
Thomas, John H. United States United States
Thomas, Maik Germany Germany
Thomas, Nicolas Switzerland Switzerland
Thomas, Peter A. United Kingdom United Kingdom
Thomasson, Magnus Sweden Sweden
Thomasson, Peter United Kingdom United Kingdom
Thompson, A. Richard United States United States
Thompson, Donna Marie United States United States
Thompson, Ian United States United States
Thompson, Laird A. United States United States
Thompson, Rodger I United States United States
Thompson, William Thomas United States United States
Thomsen, Bjarne B. Denmark Denmark
Thorat, Kshitij H South Africa South Africa
Thorne, Kip S. United States United States
Thornley, Michele D. United States United States
Thorpe, James Ira United States United States
Thorsett, Stephen Erik United States United States
Thorstensen, John R. United States United States
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