Individual and Junior 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.

Junior scientists who have completed their PhD studies between 2015 and 2020 and who are in the initial phase of the career of a professional researcher in some branch of astronomy or a related field may be admitted to the Union by the Executive Committee as Junior Members, for a period not exceeding 6 years.

Individual and Junior 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.

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 and Junior members: 12757 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12385.


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Name▼ Location NCA adherence
LaMassa, Stephanie United States United States
Lamb, Frederick K. United States United States
Lamb, Gavin P (Junior Member) United Kingdom United Kingdom
Lamb, Susan Ann United States United States
Lambert, David L. United States United States
Lamberts, Astrid France France
Lamberts, Thanja Netherlands Netherlands
Lamb Jr, Donald Quincy United States United States
Lamia, Livio Italy Italy
Lammer, Helmut Austria Austria
Lammers, Uwe Spain Spain
Lamontagne, Robert Canada Canada
Lampens, Patricia J C Belgium Belgium
La Mura, Giovanni Portugal Italy
Lamy, Jérôme France France
Lamy, Laurent France France
Lamzin, Sergei A. Russian Federation Russian Federation
LAN, Ting-Wen China, Taipei China, Taipei
Lanciano, Nicoletta Italy Italy
Lançon, Ariane France France
Landecker, Peter Bruce United States United States
Landecker, Thomas L. Canada Canada
Landi, Simone Italy Italy
Landstreet, John D. Canada Canada
Landt, Hermine United Kingdom United Kingdom
Laney, Clifton David United States United States
Lanfranchi, Gustavo Amaral Brazil Brazil
Lang, Cornelia Chesley United States United States
Lang, Kenneth R. United States United States
Lang, Mark Ireland Ireland
Langer, Mathieu France France
Langer, Norbert Germany Germany
Langer, William David United States United States
Langill, Philip P Canada Canada
Langlois, Maud France France
Langston, Glen I. United States United States
Lankhaar, Boy (Junior Member) Sweden Sweden
Lanz, Lauranne United States United States
Lanza, Antonino Francesco Italy Italy
Lanzafame, Alessandro C. Italy Italy
Lanzoni, Barbara Italy Italy
Laor, Ari Israel Israel
Lapasset, Emilio Argentina Argentina
Lapenta, Giovanni Belgium Belgium
Lapi, Andrea Italy Italy
Lapington, Jon United Kingdom United Kingdom
Lapinov, Alexander Vladimirovich Russian Federation Russian Federation
LAPORTE, Nicolas United Kingdom United Kingdom
Lara, Luisa M. Spain Spain
Lara, Martin Spain Spain
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