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: 11519.  Number of Active Individual Members in the IAU Directory: 11177.


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Name▼ Location NCA adherence
Ribak, Erez N. Israel Israel
Ribas, Álvaro Chile Chile
Ribas, Ignasi Spain Spain
Ribas, Salvador J Spain Spain
Ribeiro, André Luis Batista Brazil Brazil
Ribeiro, Marcelo Byrro Brazil Brazil
Ribeiro, Valerio A. R. M. Portugal Portugal
Ribo, Marc Spain Spain
Ricci, Claudio Chile Chile
Ricci, Fulvio Italy Italy
Ricciardi, Sara Italy Italy
Riccio, Giuseppe Italy Italy
Rice, Emily Lucille United States United States
Rice, John B. Canada Canada
Rice, William Kenneth United Kingdom United Kingdom
Rich, Robert Michael United States United States
Richard, Johan France France
Richard, Olivier A. France France
Richards, Gordon T United States United States
Richardson, Derek Charles United States United States
Richardson, Noel D. United States United States
Richer, John Stuart United Kingdom United Kingdom
Richer, Michael Gerard Mexico Mexico
Richichi, Andrea Thailand Thailand
Richstone, Douglas O. United States United States
Richter, Philipp Germany Germany
Richtler, Tom Chile Chile
Ricker, George R. United States United States
Ricker, Paul Milton United States United States
Rickman, Hans Sweden Sweden
Ricotti, Massimo United States United States
Ridgway, Stephen T. United States United States
Ridpath, Ian W. United Kingdom United Kingdom
Rieder, Steven Belgium Netherlands
Riegel, Kurt W. United States United States
Riehokainen, Aleksandr Finland Finland
Rieke, George Henry United States United States
Rieke, Marcia J United States United States
Riemer-Sorensen, Signe Norway Norway
Riesen, Timm-Emanuel Switzerland Switzerland
Rieutord, Michel France France
Riffel, Rogemar A Brazil Brazil
Riffel, Rogério Brazil Brazil
Rigaut, Francois J Australia Australia
Rigby, Jane R. United States United States
Riggs, Jamie D. United States United States
Riguccini, Laurie Brazil Brazil
Rijsdijk, Case South Africa South Africa
Riles, Keith United States United States
Riley, Pete United States United States
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