Prompt: Intricate charcoal drawing, graphite powder, fine art portrait of a young Einstein taking measurements with calipers and tools, focused expression, wispy hair curled over forehead, curving archways of mathematics in background, worn leather notebook on lap, illuminated by a lone lantern, highly detailed textures of papers and wood grain, sharp focused, moody tones, in the style of Alphonse Mucha, Rembrandt, and Greg Rutkowski's hyper-detailed work, easel art, studio lighting from the right.