1. The First Chemistry Book

2. The Elements and the Four Regular Solids
“In the first place it is clear to everyone that fire, earth, water and air are bodies and all bodies are solids. All solids again are bounded by surfaces, and all rectilinear surfaces are composed of triangles.”
Plato in ‘The Timaeus’

4. Earth
Fire
Water
Wind

5. Earth Terra
Fire ignis
Ether essentia
Air aere
Water aqua

6. Neolithic stone artefacts found in Scotland - ca 4000 years old
The Ashmolean Museum, Oxford

7. Platonic symmetry Cubic Icosahedral Octahedral Tetrahedral
Dodecahedral

11. Jacob Bronowski and grandson
“The Ascent of Man”