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 10 years will be removed from the IAU lists.

For combined Individual and Junior Members 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.

Total number of IAU Individual members:13128.


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Name▼ Location NCA adherence
Sparks, Warren M. (Inactive) United States United States
Sparks, William Brian United States United States
Sparrow, James G. (Inactive) Australia Australia
Spassova, Nedka, Deceased (1945-) Bulgaria
Spavone, Marilena Italy Italy
Speer, R. J. (Inactive) United Kingdom United Kingdom
Spekkens, Kristine Canada Canada
Spencer, John Howard United States United States
Spencer, John R. United States United States
Spencer, Locke Dean Canada Canada
Spencer, Ralph E. United Kingdom United Kingdom
Spencer Jones, Harold, Deceased (1890-1960) United Kingdom
Sperauskas, Julius (Inactive) Lithuania Lithuania
Spergel, David N. United States United States
Spicer, Daniel Shields (Inactive) United States United States
Spiegel, Edward A United States United States
Spielfiedel, Annie, Deceased (1954-2016) France
Spinelli, Patrícia Figueiró Brazil Brazil
Spinoglio, Luigi Italy Italy
Spinrad, Hyron, Deceased (1935-2015) United States
Spite, François M. France France
Spite, Monique France France
Spithas, Elefterios N. (Inactive) Greece Greece
Spitler, Lee Australia Australia
Spitoni, Emanuele Denmark Italy
Spitzer, L. (Inactive) United States United States
Spoelstra, T., Deceased (1947-2010) Netherlands
Spoljaric, Drago Croatia, the Republic of Croatia, the Republic of
Spoto, Federica France France
Sprague, Ann Louise United States United States
Springel, Volker Germany Germany
Springer, Tim (Inactive) Germany Germany
Spruit, Hendrik C. Germany Germany
Spurny, Pavel Czech Republic Czech Republic
Spurzem, Rainer Germany Germany
Spyromilio, Jason Germany Germany
Spyrou, Nicolaos Greece Greece
Squires, Gordon K. United States United States
Srama, Ralf Germany Germany
Richard, Richard A. United States United States
Sreekantan, B. V. (Inactive) India India
Sreekumar, Parameswaran India India
Sreenivasan, S. Ranga Canada Canada
Sreeramulu, Sujatha India India
Srianand, Raghunathan India India
Sridhar, Seshadri India India
Sridharan, Tirupati K. United States United States
Srinivasan, Ganesan India India
Srivastava, Abhishek Kumar India India
Srivastava, Dhruwa Chand India India
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