Jamie Trueblood/AMC
Jon Hamm plays Don Draper in "Mad Men," which is now in its seventh and final season.
But despite his many distinct traits, fans and critics have spent countless hours over the past seven seasons trying to figure out which real-life ad men inspired Draper's creation and helped forge his unique personality.
From our research, four candidates have sprung up repeatedly as the advertising executives people think Draper is most likely to be modeled on. Here's what we know about them.
This post was originally compiled by Aaron Taube.
