This is my take on the theme “Invention” for this week at Illustration Friday. (If you want to see a bigger image, click on the picture.)
And here is the pencil sketch for this illustration:
There are some differences with the final image. At first I envisioned a scientist in a white robe, quietly thinking in his office. I wanted to suggest a kind of university city in the background, as seen through a window, but then I decided to use a plain black background and treat the character in black and white too, so it is the invention what brings colour to the scene.