Calvin had no sway over the council's decision to burn Servitus at the stake. He was against it, and you and you FWer's
desperation to condemn the man for something he did not do due to your derangement syndrome is pathetic.
And as someone such as yourself who takes such pride in your research abilities? Shame on you.
Here is some research:
Calvin was a key figure in prosecuting Servetus and agreed with the death penalty for his heresy. However, he argued against the method of burning at the stake, requesting that Servetus be beheaded instead.