In our Segment, Check your References, we will be talking to Mary, our resident librarian, who's got our pick of the Worst Boss from History at fostering potential. The antithesis of Jennie Dede. 

He was so awful, after he died, his family buried him in the middle of the night, in a lead-lined coffin in a steel-and-concrete vault, which was then covered in several tons of cement for fear of retribution.  

Must have been The Worst, Right?