The problem with the plague dilemma is that there were people in existence who did know the formula for the cure. As such, the fact that you can't get at it or otherwise force another potion out of someone is something that was clearly contrived to create a dilemma rather than a problem arising naturally.
You hit the jackpot, Elliot. <img src="/ubbthreads/images/graemlins/smile.gif" alt="" /> That was the reason why I got a little frustrated with the quest.
After all, in order to save a few lives, what's wrong with roughing up the mad doctor a little? It ain't the right thing to do but why couldn't you just sweeten the soldiers guarding his cell and sneak into his cell at night? If you worked him up a bit with a few threats, then he might get so worried he'd spill the beans and point you to the right person or hand over the formula.
Or threaten to infect him with it... <img src="/ubbthreads/images/graemlins/biggrin.gif" alt="" /> I bet you'd get the formula VERY fast at that point! <img src="/ubbthreads/images/graemlins/biggrin.gif" alt="" />
