You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser.
alternatehistory.com
As the question asks, did anybody before Diocletan have a chance of ending the Crisis of the Third Century early, or was it too complex a problem to solve whilst it was still ongoing?
Edit: Crap, forgot Quintillus, if anyone wants to vote for him just vote for Claudius Gothicus.
Edit edit: You can vote for multiple candidates if you wish.