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Michael F. A'Hearn
United States
1940-2017
Obituary:
Past affiliation(s) within the IAU
- Past President of Division III Planetary Systems Sciences (1997-2000)
- Past President of Division III Planetary Systems Sciences (1994-1997)
- Past President of Commission 15 Physical Study of Comets & Minor Planets (1994-1997)
- Past Vice-President of Commission 15 Physical Study of Comets & Minor Planets (1991-1994)
- Past Advisor of Division III Planetary Systems Sciences (2000-2003)
- Past Organizing Committee Member of Division III Planetary Systems Sciences (2003-2006)
- Past Organizing Committee Member of Division III Planetary Systems Sciences (2000-2003)
- Past Organizing Committee Member of Division III Planetary Systems Sciences (1997-2000)
- Past Organizing Committee Member of Commission 15 Physical Study of Comets & Minor Planets (1997-2000)
- Past Organizing Committee Member of Division III Planetary Systems Sciences (1994-1997)
- Past Organizing Committee Member of Commission 15 Physical Study of Comets & Minor Planets (1988-1991)
- Past Organizing Committee Member of Commission 15 Physical Study of Comets & Minor Planets (1985-1988)
- Past Member of Division B Facilities, Technologies and Data Science (until 2017)
- Past Member of Division F Planetary Systems and Astrobiology (until 2017)
- Past Member of Division H Interstellar Matter and Local Universe (2015-2017)
- Past Member of Commission B2 Data and Documentation (2015-2017)
- Past Member of Commission F2 Exoplanets and the Solar system (2015-2017)
- Past Member of Commission H2 Astrochemistry (2015-2017)
- Past Member of Inter-Division A-F WG Cartographic Coordinates & Rotational Elements (2009-2017)
- Past Member of Executive Committee WG Small Bodies Nomenclature (SBN) (2007-2017)
- Past Member of Commission 5 Documentation & Astronomical Data (until 2015)
- Past Member of Commission 15 Physical Study of Comets & Minor Planets (until 2015)
- Past Member of Commission 20 Positions & Motions of Minor Planets, Comets & Satellites (until 2015)
- Past Member of Commission 15 WG Data Bases for Comet Spectroscopy (2012-2015)
- Past Member of Division III Planetary Systems Sciences (until 2012)
- Past Member of Division XII Union-Wide Activities (until 2012)
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