Advanced Program D 2026 date - 2026.06.21-advanced Advanced Program D: June 14 (Sun) – July 18 (Sat), 2026 Participants:David Hewison, UKAnnette Murray, Scotland (UK)Tony Spencer, UKCharles Spitzack, USASylvia Waltering, Germany / UK David Hewison, UK Annette Murray, Scotland (UK) Tony Spencer, UK Charles Spitzack, USA Sylvia Waltering, Germany / UK