Alchemists, those Medieval, backroom, would-be scientists or, perhaps, they were scientists to a degree, trying combinations of this and that with the intention of, supposedly, turning lead into gold and numerous other experiments. Could this be one of them? Or someone else.
A photo merged with myriad layers of Photoshop-generated textures and shapes. Mainly in Lighten mode. Some distorting involved to fit the shapes to the face.