Rainer Hattenhauer

Rainer Hattenhauer, born on November 11, 1962, in Wieda/Harz, Germany, is a German teacher of physics, mathematics, and informatics at Internatsgymnasium Pädagogium Bad Sachsa, and a prolific freelance author of IT books for beginners.[1][4] With over 20 years in the field, he has written bestsellers like a computer lexicon for beginners, books on AI tools such as ChatGPT and Midjourney, and guides on digital topics including smartphones and operating systems.[2][3] In his free time, he pursues paragliding and motor paragliding.[1][4]