Back in October, we gave you a list of 13 top Boston area professors, deans and presidents you needed to be following on Twitter, ranging from Boston University’s Dean of Students Kenn Elmore to Tufts President Anthony Monaco. Eight months later, we’re back at it again, providing you with 13 more professionals working in academia that deserve to have you clicking “follow.” It’s time to get schooled in 140-characters or less.