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: 11515.  Number of Active Individual Members in the IAU Directory: 11172.


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Name▼ Location NCA adherence
Ma, Chopo United States United States
Ma, Yin-Zhe South Africa South Africa
MA, Guanyi China, Nanjing China, Nanjing
MA, Jingyuan China, Nanjing China, Nanjing
MA, Jun China, Nanjing China, Nanjing
MA, Lihua China, Nanjing China, Nanjing
MA, Wenzhang China, Nanjing China, Nanjing
MA, Yuehua China, Nanjing China, Nanjing
MA, YuQian China, Nanjing China, Nanjing
Maartens, Roy South Africa South Africa
Macalpine, Gordon M. United States United States
Maccacaro, Tommaso Italy Italy
Maccagni, Dario Italy Italy
MacCallum, Malcolm A.H. United Kingdom United Kingdom
Maccarone, Maria Concetta Italy Italy
Maccarone, Thomas J. United States United States
Macchetto, Ferdinando Duccio United States United States
Maccone, Claudio Italy Italy
MacConnell, Darrell Jack United States United States
MacDonald, James United States United States
Maceroni, Carla Italy Italy
Macfarlane, Sally Ann South Africa South Africa
Machado, Maria A.D. Brazil Brazil
Machado, Pedro Mota Portugal Portugal
Machado Folha, Daniel F. Portugal Portugal
Machalski, Jerzy Poland Poland
MACHIDA, Mami Japan Japan
Maciejewski, Andrzej J. Poland Poland
Maciejewski, Witold B. United Kingdom United Kingdom
Maciel, Walter Junqueira Brazil Brazil
Maciesiak, Krzysztof Poland Poland
Mack, Karl-Heinz Italy Italy
Mack, Peter United States United States
Mackay, Duncan H. United Kingdom United Kingdom
Macke, Robert J. Vatican City State Vatican City State
MacKenty, John W United States United States
Mackey, Dougal Australia Australia
Mackey, Jonathan Ireland Ireland
Mackie, Glen Australia Australia
MacKinnon, Alexander Lachlan United Kingdom United Kingdom
MacLeod, John M. Canada Canada
Mac Low, Mordecai-Mark United States United States
MacMillan, Daniel S United States United States
MacQueen, Robert M. United States United States
Macri, Lucas Matias United States United States
MacTaggart, David United Kingdom United Kingdom
Madau, Piero United States United States
Maddalena, Ronald J United States United States
Madden, Suzanne France France
Maddison, Sarah T. Australia Australia
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