Markus Winkelhock
<b><a href="//commons.wikimedia.org/wiki/User:Erika39" title="User:Erika39">Erika39</a></b>, cropped/retouched by <a href="//commons.wikimedia.org/wiki/User:Morio" title="User:Morio">Morio</a>
CC BY 3.0
eigene Arbeit (<a href="//commons.wikimedia.org/wiki/User:Erika39" title="User:Erika39">Erika39</a>)