How to Address Professors: When can I use their first name?

In this 5 minute video, Dr. Hammer gives advice on how to address professors in a respectful manner. He talks about using the honorific "Dr." versus calling them by their first name and how you can figure out what the professor wants when they haven't told you explicitly what to do. The take home point is to use "Dr." unless they have explicitly given you permission to do otherwise. I also give quick tips about email etiquette when emailing professors. Lastly, here is some fun history on the history of the term "Doctor" and who gets to be called one: www.cmaj.ca/content/re-who-en...