Goya Award 2014: Strings, a 3D animation.

Hello children,
What's the meaning of the word "string" in English? Do you know it?
The Goya Award 2014 for the category of best animated short was for "String".
His director and screenwriter was already awarded the Goya Award for the best animated short film.
This short is reaching children, schools and educational work because it's also based on a true story.
What's the name of the director? Where is he from? What did he study?
When was he awarded before?
What was the name of the short?