Past affiliation(s) within the IAU

• Past Organizing Committee Member of Commission 17 The Moon (1976-1979)
• Past Organizing Committee Member of Commission 31 Time (1976-1979)
• Past Organizing Committee Member of Commission 4 Ephemerides (1973-1976)
• Past Organizing Committee Member of Commission 17 The Moon (1973-1976)
• Past Organizing Committee Member of Commission 31 Time (1973-1976)
• Past Member of Division I Fundamental Astronomy
• Past Member of Division III Planetary Systems Sciences
• Past Member of Commission 7 Celestial Mechanics & Dynamical Astronomy
• Past Member of Commission 16 Physical Study of Planets & Satellites
• Past Member of Commission 17 The Moon
• Past Member of Commission 20 Positions & Motions of Minor Planets, Comets & Satellites
• Past Member of Commission 31 Time
• Past Member of Commission 4 Ephemerides (1973-1976)