Individual Members

Professional scientists whose research is directly relevant to some branch of astronomy are eligible for election 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

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.

Total number of IAU members:12727. Number of Individual Members in the IAU Directory: 10096

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Name Location NCA adherence
Steiner, Joao E. Brazil Brazil
Steiner, Oskar Germany Germany
Steinitz, Raphael Israel Israel
Steinle, Helmut R. Germany Germany
Steinmetz, Matthias Germany Germany
Stella, Luigi Italy Italy
Stellingwerf, Robert F. United States United States
Stellmacher, Götz France France
Stellmacher, Irène France France
Stello, Dennis Australia Australia
Stenberg Wieser, Gabriella Sweden Sweden
Stencel, Robert Edward United States United States
Stenflo, Jan Olof Switzerland Switzerland
Stenholm, Björn Sweden Sweden
Štěpán, Jiří Czech Republic Czech Republic
Stepanian, Natali N. Ukraine Russian Federation
Stepanov, Alexander V. Russian Federation Russian Federation
Stephens, S. A. India India
Stephenson, F. Richard United Kingdom United Kingdom
Stępień, Kazimierz Szczepan Poland Poland
Stergioulas, Nikolaos Greece Greece
Sterken, Christiaan L. Belgium Belgium
Stern, Daniel United States United States
Stern, Robert Allan United States United States
Stern, S. Alan United States United States
Sternberg, Amiel Israel Israel
Sterzik, Michael F. Germany Germany
Stetson, Peter B. Canada Canada
Stevens, Ian R. United Kingdom United Kingdom
Steves, Bonnie Alice United Kingdom United Kingdom
Stewart, Paul United Kingdom United Kingdom
Stewart, Susan Gessner United States United States
Stewart-Mukhopadhyay, Sarah T United States United States
Stiavelli, Massimo United States United States
Stier, Mark T. United States United States
Stift, Martin Johannes United Kingdom Austria
Stil, Jeroen Maarten Canada Canada
Still, Martin D. United States United States
Stinebring, Daniel R. United States United States
Stirpe, Giovanna M. Italy Italy
St-Louis, Nicole Canada Canada
Stocke, John T. United States United States
Stockman Jr, Hervey S. United States United States
Stockton, Alan N. United States United States
Stodilka, Myroslav Ukraine Ukraine
Stoehr, Felix Germany Germany
Stoev, Alexey D. Bulgaria Bulgaria
Stokes, Grant H. United States United States
Stolyarov, Vladislav A. United Kingdom United Kingdom
Stone, Edward C. United States United States
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