Citizens from some countries my require a Visa to come to the UK for the ESB 2014 conference. The general requirements are shown below, but you can check the definitive situation from the UK Government Visa website here: https://www.gov.uk/check-uk-visa. If you require an official Letter of Invitation please let us know on esb2014@liv.ac.uk and we will be pleased to send one to you.
Attributed to Wikipedia.org
Dark & light blue: No Visa required for indefininte travel to UK
Green: No Visa for up to 6 months travel to UK
Brown and red: Visa required
ESB
