Requirements: You must qualify for Field Surgery or already know it if you wish to get this whois & post-title.
Find Professor Brumwell. Ask him 'teach' and he will tell you that you must attend a series of lectures on Friday mornings at 10am and last two hours each, you must remain at the lecture for the entire time.
If you already know Field Surgery, you'll have to sit through one of his lessons and then talk to him again.
Otherwise you must attend several lessons before you get it.
You also get the post-title the surgeon from this quest.