ADA & Zangemann: A Tale of Software, Skateboards, and Raspberry Ice Cream

Matthias Kirschner is President of FSFE. Matthias helps other organizations, companies, and public administrations to understand how they can benefit from Free Software -- which gives everybody the rights to use, study, share, and improve software -- and how those rights help to support freedom of speech, press, and privacy. He serves on the advisory boards of different Free Software organizations, has been a consultant for public bodies and other committees, and regularly gives interviews, lectures, or participates in panel discussions about software freedom and the technical distribution of power in a democratic society.

Sandra Brandstätter is an illustrator, comic author, and character designer for animated films and series, including "Trudes Tier" on German public television and "Sendung mit der Maus." She is also the illustrator of many children's books and comics including Paula: Liebesbrief des Schreckens (Reprodukt Verlag/2016), Ben & Teo: Zwei sind einer zuviel (Beltz & Gelberg/ Author: Martin Baltscheit/2020), and L wie Liebe (Kindermannverlag Author Martin Baltscheit/2022).

Matthias Kirschner 是 FSFE 的主席。Matthias 協助其他組織、公司和公共行政機構了解如何從自由軟體中獲益，自由軟體賦予每個人使用、研究、分享和改進軟體的權利，並且這些權利有助於支持言論自由、新聞自由和隱私保護。他擔任不同自由軟體組織的顧問委員會成員，曾經是公共機構和其他委員會的顧問，並經常接受採訪、演講或參與關於軟體自由和技術權力在民主社會中的分配的座談會。

Sandra Brandstätter 是插畫家、漫畫作者和動畫電影和系列的角色設計師，包括德國公共電視台的《Trudes Tier》和《Sendung mit der Maus》。她也是許多兒童書籍和漫畫的插畫家，包括《Paula: Liebesbrief des Schreckens》（Reprodukt Verlag/2016）、《Ben & Teo: Zwei sind einer zuviel》（Beltz & Gelberg/作者：Martin Baltscheit/2020）和《L wie Liebe》（Kindermannverlag 作者 Martin Baltscheit/2022）。