that's me in Gent (1940) and in 2022 (drawing by Achiel Pauwels)

Herman SERRAS Clifford Research Group Faculty of Engineering and Architecture Ghent University Ghent (Belgium)

CLICK HERE if you want to read something about the construction of the dodecahedron!

My own pages:

• Golden section - Golden Triangle - Pentagon and Pentagram - Dodecahedron
• The Platonic polyhedra inscribed in a sphere or a cube
• More about the dodecahedron and icosahedron
• A nice combination of the five Platonic solids
• The four regular non-convex polyhedra (Kepler-Poinsot)
• Pythagoras' theorem: a proof bij rearrangement
• The quadratrix: trisection of an angle and squaring the circle
• Mathematics on the "Ritratto di Frà Luca Pacioli"
• Smoothly rolling polygonal wheels
• Elliptical billiard tables
• Barth sextic and decic surface
• "Vis-à-vis": a nice algebraic surface
• Kummer surfaces
• How impossible is Penrose's tribar?
• Hipparchus, Mercator and Mathematical Analysis (in Dutch)
• Apparent daily movement of the sun (in Dutch)