- Neil Morley et al, Dr Allan Chapman (1946-2026) and Bill Barton, FRAS, Allan Chapman's funeral service
Honorary President 2001-2026
- Neil Morley, Gerry Pilling (d. 09 May 2025)
Member 2000-2022
- Andy Gibbs, John Wainwright (d. 17 November 2024)
Member 2006-2024, Equipment Curator 2008-2024
- Neil Morley, Roy Adams (d. 17 August 2024)
Member circa 1976-2024, trustee 1978-2024
- Chris Smith et al, Alan Smith (1949-2023)
Member 1974-2023, Librarian 1978, Vice Chairman 1978-80, Treasurer and Newsletter Coordinator 1981, committee member 1989-93 & 1996
- Martin Cook, Eric Sims (1939-2023)
Member 1982-2023, Newsletter Coordinator 1987-2013
- Paul Whiting, FRAS, Martin Richmond-Hardy (1948-2023)
Member 2011-23, Newsletter Coordinator 2014-23
- Royston Cheesman, David Brown (1942-2018)
Trustee 1973-2023
- Bill Barton, FRAS, Vernon Wilkes, DFC (1921-2013)
Member 1972-99, Treasurer 1972, Trustee 1973
- Dr Allan Chapman, FRAS, Peter Hingley (1951-2012)
RAS Librarian and friend of OASI
- Peter Hingley, A brief autobiography
- Ted Sampson & James Appleton, Les Lamb (1913-2011)
Member 1991-2011
- Les Lamb, Cartoons
- Lorraine Goward et al, Ken Goward, FRAS (1952-2009)
Member 1998-2009, Chairman 2003-08
- James Appleton, Martin Cook & Roy Gooding, David Barnard (1958-2005)
Member 1973-1997, Vice Chairman 1987-1993