[one Lord one faith one baptism]

did anyone believe in “limited atonement” before Calvin cam along in the 16th century? if yes, i would appreciate someone providing name and citation.
same for the question did any believe in “double predestination” before Calvin?

[Dutchboy88]

Certainly, the apostles Paul & Peter.

[Gamecock]

Augustine
Paul

[HarleyD]

did anyone believe in “limited atonement” before Calvin cam along in the 16th century? if yes, i would appreciate someone providing name and citation.

I would suggest you read Augustine's A Treatise on the Predestination of the Saints from 428AD, well before Calvin. Augustine lays out the very groundwork for limited atonement. And he states that he got his idea from Cyprian, another church father.