She's what kept me in drawing, too." Hall's journey back to art – he now creates pencil portraits full-time – blended with his love for sports and sparked the idea for realistic drawings.

The 47-year-old, from Scotland, is able to recreate photos in amazing detail, often just using only a pencil ... Cadden's drawings look unbelievably realistic. Hyperrealism was born from the idea ...

Courtesy of Cajal Institute (CSIC), Madrid Injured Purkinje neurons of the cerebellum, 1914 Ink and pencil on paper ... Cajal never stopped drawing. Now, his unique way of looking at the inner ...