Didn't we all have a science or math teacher just like that, lol.
Even though he was much more animated and entertaining than Ben's character, I was always reminded of my 7th grade science teacher, Mr. Berube, whose slogan was "I mean what I say and say what I mean." The guy had actually gone with Shckleton on one of his late Antarctic epeditions (long, long after the Endurance incident) and was a font of historical and science knowledge.
Didn't we all have a science or math teacher just like that, lol.
I did! My math teacher's name was Mrs. Amos. we called her Mrs. Anus. I know, kids are so mean....