52:13

Ultramarine and the Purification of Lapis Lazuli

1:12:24

Lecture: The Royal Art of Alchemy with Guy Ogilvy

1:29:37

Mandalas— An In-Depth Look

49:07

Lecture: Art, Imagination & Revelation with Valentin Gerlier

10:35

Alex Grey on Sacred Geometry

1:09:40

In Dialogue: On Byzantine Icons

1:43:15

Lecture/Demonstration: Al-Qalalusi’s colour palette

55:15

Lecture: Art and Geometry in the Enneads of Plotinus and their Arabic adaptation with Stefan Sperl