Lectures for members and visitors are held one Saturday each month from September to May.
They are free and the location is the County Museum, Church Street Aylesbury HP20 2QP starting at 2.30pm.
Lasting about one hour plus time for discussion.
Refreshments are available after the event.
The 2019/20 programme has not been finalized but the following programme for last season will give a taste of the subjects covered.