Many artists and potential artists spend years striving to be able to draw realistic faces.
Some people achieve this goal but many do not, only getting increasingly frustrated with what can be boiled down to a process of both creative and methodical techniques.
This process is demonstrated step-by-step in the following tutorial, taking you explicitly through the stages of creating the portrait drawing below.
Anyone should be able to follow this tutorial successfully.

Closeup of the face on the finished realistic head portrait, drawn in pencil by Peter McClory
This tutorial will take you through the stages of copying a photo of a persons face (without tracing). This will also help you to learn how to draw someone’s portrait in real life.