Happy Birthday David Brewster!

https://brewstersociety.com/kaleidoscope-university/sir-david-brewster/#:~:text=The%20kaleidoscope%20was%20invented%20and,many%20facets%20as%20his%20invention.&text=David%20Brewster%20was%20born%20in,%2C%20on%20December%2011%2C%201781.