Past affiliation(s) within the IAU

• Past Chair of Finance Committee (1976-1979)
• Past Chair of Finance Committee (1973-1976)
• Past Chair of Finance Committee (1964-1967)
• Past Member of Division IV Stars
• Past Member of Division VII Galactic System
• Past Member of Commission 33 Structure & Dynamics of the Galactic System
• Past Member of Commission 35 Stellar Constitution
• Past Member of Commission 36 Theory of Stellar Atmospheres
• Past Member of Finance Committee (1970-1973)