Stefan KottwitzStefan Kottwitz studied mathematics in Jena and Hamburg. He works as a network and IT security engineer for Lufthansa Industry Solutions. For many years, he has been providing LaTeX support on online forums. He maintains multiple web forums, Q&A sits, and runs TeX graphics gallery sites. Stefan is a moderator on TeX Stack Exchange, part of the Stack Overflow network, and on matheplanet. He publishes ideas and news from the TeX world on his blogs. Besides LaTeX Beginner's Guide, he wrote LaTeX Cookbook and LaTeX Graphics with TikZ, both also translated and published in Japanese. Read More Read Less