The best way to contact me is by email. I usually try to respond withing one business day. If you are a student in one of the courses I teach, please include the course code in the subject line.
Email: fergus.horrobin (at) mail.utoronto.ca
You can also come see me in my office. I split my time between the St. George Campus and the UTSC Campus. Usually I am at St. George on Monday, Wednesday and Friday and UTSC on Tuesday and Thursday.
If you want to confirm I am there, feel free to send me an email. My offices are:
St. George: MP 1202C (12th floor of McLennan Physical Laboratories)
UTSC: SW504A (In the Physics and Astrophysics Department on the 5th floor of the Science Wing)
You can also follow we on Twitter to keep up to date with my work: