Sub-Saharan African Figure Embodying an Iconic Scientist Thinker's Gravitas

From a low-angle shot looking up slightly, a sub-Saharan African figure embodying an iconic scientist thinker's gravitas and royalty nobility's bearing, who is actively writing while wearing a distinct necklace pendant, becomes a strong backlight silhouette against the crisp cool twilight hue of a sky where crepuscular rays sunbeams breaking through scattered clouds generate visible volumetric light rays, the entire scene rendered with geometric shapes and planes and a high-key lighting composition bright and minimal shadows.