Specializing in pet portraits and wildlife art, Hanna shared that art has always been a part of his life.

Got a new Apple Pencil? Once the initial novelty wears off, you might find that it spends most of its time magnetically clipped to the side of your iPad Pro or, worse, stuck in the back of a drawer.

Do not adjust your screen: the above portraits are not the products of a camera but the steady hand and sharp pencil of a London artist with an astonishing eye for detail. Kelvin Okafor is one of the ...