The provider of this website and accountable body within the context of the Data Protection Law is:

Klaus Gertz
Mozartstraße 74
79104 Freiburg


With this data protection declaration, users are informed about the type, scope, purpose of the collection and use of their data, which is collected and processed by the responsible provider. The legal framework for data protection is provided by the EU General Data Protection Regulation (EU-GDPR) and the Federal German Data Protection Act (BDSG).

Subject of data protection

The subject of data protection is personal data. This includes individual information about natural persons, such as name, postal address, e-mail address or telephone number, but also usage data such as IP address.

We only collect, process and transfer personal data where this is either permitted by law or where you as the user give us your consent to collect your data.

Scope of data collection and storage

You do not need to enter any personal data to use our website.

Postal and e-mail addresses provided in the context of enquiries will only be used for correspondence and dispatch and will only be stored within the scope of the statutory retention obligations.

When communicating by e-mail, data security is not guaranteed. For information requiring a high level of confidentiality, it is recommended to use the postal system.

Log data

The log data collected by our hosting provider related to every access to our website is stored anonymously and deleted after the legal expiry period. This data will not be used for any other purpose nor will it be passed on to third parties.


Only technically necessary "session cookies" are stored in your browser, which are deleted when you close your browser. "Third-party cookies" or unnecessary "tracking cookies" are not used.

Right of information, revocation and erasure

You can obtain information about your personal data stored by us at any time, free of charge and without the need to state a reason. You can let this data be locked, corrected or deleted at any time. You can also revoke your consent to the collection and use of your data without giving reasons. In this case please contact

Klaus Gertz
79111 Freiburg

We are of course at your disposal for further questions regarding data protection and the processing of your personal data.

Right to complain

In case of a complaint, you can either contact us directly or consult the competent data protection authority. The competent data protection authority is:

The state representative for data protection in Baden-Württemberg,
Königstr. 10A
70173 Stuttgart