In January 2023, Roger gave a course of four lectures for the WEA on Birds, Castles and other Symbols in Western Art
Lunchtime talks given at the National Gallery on the following paintings:
- Constable: The Hay Wain
- Turner: Dutch Boats in a Gale
- Murillo: The Heavenly and Earthly Trinities
- Wright of Derby: An Experiment on a Bird in the Air Pump
- Gallen-Kallela: Lake Keitele
Courses given at the National Gallery
- “Angels and Demons”
Courses given to the WEA
- “J M W Turner: the artist, his paintings and the people who influenced him”
- “Birds, Castles and other symbols in Western Art”
- “Water bodies and the way we treat them”
- “Angels and Demons”
- “Contrasting Views of Nature”
Talks given to various groups/societies
- “Angels, Putti, Fairies and Dragons”
- “Walking with Gosse”
- “Identifiable Flying Objects”
- “The Ten Plagues of Egypt”
+ numerous other topics in Natural History and Art History