Our Online Presentations Other Non Science Presentations Dave is an active historian of the period 800-1400 So we can also give online talks on Vikings & Saxons Normans & Crusaders IMPORTANT INFORMATION It is VITAL that NEW clients TEST their internet link/software before our first session Many School systems have filters in place that need checking. We Insist that TEACHERS RUN the sessions. This prevents US from getting Children's information, and allows the teacher to monitor who talks etc. YOUR Children's SAFETY is VITAL!