Do you need a Business Visa to visit Fermilab?
http://wdrs.fnal.gov/users/business.html
or a Visa Waiver Program (VWP)
http://www.visahq.com/visas.php
http://www.travel.state.gov/visa/temp/without/without_1990.html#countries
If you require a letter of invitation in order to obtain a USA visa to attend this conference, please contact:-
Suzanne Weber (sweber@fnal.gov) of the Fermilab Conference Office.