Privacy Statement

This statement was last revised on 13/5/2022.

How we collect your data

This website is hosted on GitHub Pages. GitHub may collect User Personal Information from visitors to this website, including logs of visitor IP addresses, to comply with legal obligations, and to maintain the security and integrity of the Website and the Service. Please see GitHub's privacy statement for information on how your data is used and stored by GitHub.

We do not otherwise collect any personal information about you when you visit this website.

Privacy policies of other websites

This statement refers only to this website (, and not to any other STACK websites, or any third party sites linked to on this website. You are encouraged to review privacy statements on other websites when you visit them.

Changes to our privacy policy

The date of the latest revision is shown at the top of the page. We may change this privacy statement at any time and for any reason. You are encouraged to regularly review this statement.

How to contact us

If you have questions about our privacy policy, please email Professor Chris Sangwin at