Ooooo, Flannelgraph! You know that flannelgraph is the go-to visual for all good fundies, but did you know they were also used in both world wars? Join David and Sam as they jump back in time to the beginning of the flannelgraph. 

 

Sources: 

https://bydesignvisuals.org/our-history/

https://scholarworks.umass.edu/cgi/viewcontent.cgi?article=4374&context=theses#:~:text=The%20first%20time%20the%20flannelgraph,Marjorie%20East%20and%20Edgar%20Dale.

https://en.wikipedia.org/wiki/Flannelgraph