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:12660. Number of Individual Members in the IAU Directory: 10086

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Name Location NCA adherence
Ma, Chopo United States United States
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
MacConnell, Darrell Jack United States United States
MacDonald, Geoffrey H. United Kingdom United Kingdom
MacDonald, James United States United States
Maceroni, Carla Italy Italy
Machado, Marcos Argentina Argentina
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, Alasdair Dougal Australia Australia
Mackie, Glen Australia Australia
MacKinnon, Alexander L. United Kingdom United Kingdom
MacLeod, John M. Canada Canada
Mac Low, Mordecai-Mark United States United States
Macquart, Jean-Pierre Australia Australia
MacQueen, Robert M. United States United States
Macri, Lucas Matias United States United States
Madau, Piero United States United States
Maddalena, Ronald J United States United States
Madden, Suzanne France France
Maddison, Ronald Ch. United Kingdom United Kingdom
Maddison, Sarah T. Australia Australia
Steve, Stephen United Kingdom United Kingdom
Madej, Jerzy Poland Poland
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