IMPRESSUM & Datenschutz


Redaktion: GJ Lischka

Grafik zum Teil von Uwe Goebel

Das Copyright für sämtliche Inhalte dieser Website liegt bei GJ Lischka und Uwe Goebel

© GJ Lischka

This site is created & maintained by:

R2Y Mediamatik
Waffenplatzstrasse 46
8002 Zürich



This website is operated by GJ Lischka. All texts and links have been carefully checked and are constantly updated. We make every effort to provide accurate and complete information on this website, but we do not assume any responsibility, guarantee or liability that the information provided through this website is accurate, complete or up-to-date. We reserve the right to change the information on this website at any time without notice and make no commitment to update the information contained herein. All links to external providers were checked for accuracy at the time of their inclusion, but we are not liable for the content and availability of websites that can be reached via hyperlinks. For illegal, incorrect or incomplete content and in particular for damages caused by the content of linked pages, the provider of the linked page is solely liable. It does not matter whether the damage is of a direct, indirect or financial nature or whether there is any other damage that could result from loss of data, loss of use or other reasons of any kind. Regarding data protection: We cannot guarantee the security of data transmission on the Internet; in particular, there is a risk of access by third parties when data is transmitted by e-mail. The use of contact data published in the imprint by third parties for advertising purposes is hereby expressly prohibited. The operator reserves the right to take legal action in the event of unsolicited advertising or information material being sent. Should individual provisions or formulations of this disclaimer be or become invalid, this shall not affect the content or validity of the remaining provisions.

Collection, processing and use of personal data
This website is operated by R2Y Mediamatics. We do not collect any personal data from you when you visit this website. Personal data is only collected if you provide it yourself via a contact, purchase, or registration form. This data will only be used to fulfill your request and will be deleted afterwards.

Use of own cookies

When calling up certain pages, a so-called «session cookie» is set. This is a small text file that is automatically deleted from your computer at the end of the browser session. The sole purpose of this file is to enable you to use certain applications. You can change the settings of most web browsers so that your browser does not accept new cookies, or you can have received cookies deleted. How this works specifically for your browser can usually be found out via its help function.

  • Essential: To manage the cookies and similar technologies used (tracking pixels, web beacons, etc.) and related consents, we use the consent tool «Real Cookie Banner». Details on how «Real Cookie Banner» works can be found at Legal bases for the processing of personal data in this context are Art. 6 para. 1 lit. c DS-GVO and Art. 6 para. 1 lit. f DS-GVO. Our legitimate interest is the management of the cookies and similar technologies used and the related consents. The provision of the personal data is neither contractually required nor necessary for the conclusion of a contract. You are not obliged to provide the personal data. If you do not provide the personal data, we will not be able to manage your consents.
  • Functional: Google Fonts is a service that downloads fonts that are not installed on the user’s client device and embeds them in the website. No cookies in the technical sense are set on the user’s client device, but technical and personal data such as the IP address are transferred from the client to the service provider’s server to enable the use of the service.

Server log files

As with any connection to a web server, the server of our web hosting provider Infomaniak AG in Zurich, Switzerland, logs and stores certain technical data. This data includes the IP address and the operating system of your device, the data, the access time, the type of browser and the browser request including the origin of the request (referrer). This is necessary for technical reasons to provide you with our website. The web hosting provider uses technical and organizational measures to protect this data from unauthorized access and does not pass it on to third parties. To the extent that we process personal data in the process, we do so based on our interest in providing you with the best possible user experience and ensuring the security and stability of our systems.

Use of Koko Analytics

Koko Analytics is a privacy-friendly (DSGVO-compliant) open-source (GPLv3) analytics plugin for WordPress, which does not collect any personal data and does not transfer anything to third-party servers. We have disabled cookies that Koko Analytics uses to better recognize returning visitors.


If you have signed up for our newsletter with your email address, we will store and use your email address to send you our newsletter with information and advertising about us until you unsubscribe from our newsletter. For our newsletter service we use the following newsletter service:
You can unsubscribe from our newsletter at any time. An unsubscribe link is included in every email with our newsletter. You can also revoke your consent to the use of their email address for the future at any time to us. To do so, please use the contact options below.

Your rights

You are generally entitled to the rights of information, correction, deletion, restriction, data portability, revocation and objection. If you believe that the processing of your data violates data protection law or your data protection rights have otherwise been violated in any way, you can complain to the supervisory authority.
You can reach us at: