Conditions of use

The charitable Gerda Henkel Foundation at Malkastenstrasse 15, 40211 Düsseldorf, Germany, supports science mainly through specific professional and duration-limited work in the field of historical humanities, in particular history, archaeology, history of art and other historical disciplines in universities and research institutes. To promote scientific exchange between former, present and future scholars and for general discussions on topics of the historic humanities, the Gerda Henkel Foundation offers the internet portal "L.I.S.A. – The science portal of the Gerda Henkel Foundation" (referred to below as: "L.I.S.A.).

L.I.S.A. is a free platform for exchange of scientific ideas and communication. Anyone can read articles on L.I.S.A.  Active participation via comments requires prior registration. Further facilities for participants are reserved for scholars of the Gerda Henkel Foundation and also require registration.


Registration for L.I.S.A. is dependent on the following conditions:


§ 1 Participant registration

(1)       The participant is obliged to provide all the necessary registration information as truthfully as possible. This applies in particular to names and address.

(2)        The participant is obliged to provide a valid e-mail address on registration and keep this up-to-date at all times.

(3)      The Gerda Henkel Foundation recommends that participants use their actual first and surnames as their user name on L.I.S.A . This is not however mandatory.

(4)       Contrary to paragraph 3 above, Gerda Henkel Foundation scholars are obliged to use their actual first and surnames as their user name.

(5)       The Gerda Henkel Foundation reserves the right to reject the registration of individual subscribers or to delete these immediately following the registration of subscribers.


§ 2 Conditions for active participation

(1)       By registering, participants undertake not to contribute content to L.I.S.A. which infringes applicable law. In particular they undertake not to infringe copyright, commercial protection, individual rights or legislation protecting young people.

(2)      Where the participant is a scholar of the Gerda Henkel Foundation and contributes content to L.I.S.A. that goes beyond purely commenting, the participant gives an assurance that he

a)        either is the holder of all rights to the articles

(3)      or is entitled to use and/or publish the contributed content on the internet and may grant corresponding rights to third parties.

(4)       The Gerda Henkel Foundation is entitled, on infringement of § 2, to block or delete and/or edit the content submitted by the participant, temporarily or permanently, in full or in part.

(5)       The participant releases the Gerda Henkel Foundation from all claims of third parties, including costs of defence in law, which are brought against the Gerda Henkel Foundation due to infringement resulting from content submitted by the participant in contravention of § 2.  He is also obliged to support the Gerda Henkel Foundation to the best of his knowledge and ability in defending such claims, in particular by making available all information helpful in the defence of such claims.

(6)       Should the participant infringe § 2, the Gerda Henkel Foundation is entitled to restrict and/or totally reject, either temporarily or permanently, the possibility of active participation in L.I.S.A. by the participant.

(7)       The further rights of the Gerda Henkel Foundation regarding contravention of § 2, in particular the right to compensation, are not affected.


§ 3 Granting of rights of use

(1)       The participant grants the Gerda Henkel Foundation irrevocable and irreducible non-exclusive rights to all content he contributes to L.I.S.A. with no time limit, to place the content on the website or in the yearbook or other print publications of the Gerda Henkel Foundation, individually or in combination with other content, in particular to make the content accessible to the public.

(2)       The rights granted include the right to edit content for the above purposes.

(3)       The Gerda Henkel Foundation is not entitled to sell the content commercially, and in particular not to transfer this to third parties against payment of fees.


§ 4 Termination of use

(1)       The participant is entitled at any time to terminate his participation in L.I.S.A. and to request deletion of his participant account. Deletion is performed by the Gerda Henkel Foundation immediately such a wish is expressed by the participant via email to citing his user name, full name and e-mail address given on registration.

(2)       The Gerda Henkel Foundation is entitled to delete the registration of a participant if the participant repeatedly infringes these conditions of use and does not refrain from such infringements even after being previously requested by the Gerda Henkel Foundation.

(3)       The Gerda Henkel Foundation retains its rights granted by the participant irrespective of the termination of use.

Data Protection Declaration


The Gerda Henkel Foundation places great importance on data protection. Consequently the Gerda Henkel Foundation stores only that personal data of users which is required for use of the portal. These are in particular the data given by the user on registration, such as name and e-mail address. On production of articles, the Gerda Henkel Foundation stores the IP address of the user.

The Gerda Henkel Foundation does not disclose these data to third parties. The user may at any time request information on what personal data on him is stored by the Gerda Henkel Foundation by sending an e-mail to or by other written contact. He may also at any time request that his personal data stored by the Gerda Henkel Foundation is to be deleted. This requires an e-mail to or other corresponding written request.


Where the user receives a password from the Gerda Henkel Foundation, the Gerda Henkel Foundation requires the user to take due care of this password.



The Gerda Henkel Foundation uses cookies. These are small text files which the website sends to the user's browser and which are saved on the user's PC where they are stored as anonymous code. The purpose of these cookies is for example to identify a user as an authorised user for the duration of his use of "L.I.S.A. – The science portal of the Gerda Henkel Foundation". Without this limited "temporary storage", some applications would require the re-entering of data already entered. A cookie contains only data output by a server and/or entered on request by the user (e.g. with the structure: domain data, path, expiry date, cookie name and value). They therefore contain purely technical information and no personal data. A cookie cannot spy on a hard disk. Should the user so wish, storage of cookies can be blocked by his web browser, in general or individually. Refusal of cookies may however mean that some pages and functions are no longer displayed correctly.


Google Analytics Data Analysis

The Gerda Henkel Foundation uses Google Analytics on its web pages, a web analysis service from Google Inc. ("Google"). Google Analytics uses cookies which make possible analysis of your use of the website. The information the cookie generates on your use of this website (including your IP address) is transmitted to a Google server in the USA and stored there. Google will use this information to evaluate your use of the website, to compile reports on website activity for the website operator and to provide further services associated with website support and internet use. Google may also transfer this information to third parties where legally required or where third parties are processing these data on behalf of Google. In no case shall Google connect your IP address with other data held by Google. You can prevent the installation of cookies through a corresponding setting on your browser; we would however point out that in this event not all functions of this website may be usable in full. By using this website you declare your consent to Google processing your data collected in the manner described above and for the purpose described above.


Data acquisition and storage with Google Analytics can be refused by the user at any time with future effect by sending an e-mail to or other written contact.



Changes to the data protection conditions

The Gerda Henkel Foundation will inform you of any changes to the data protection conditions which affect the way in which the Gerda Henkel Foundation processes its user data. Irrespective of this however the Gerda Henkel Foundation recommends handling personal data with care and reviewing from time to time the data protection conditions shown here.