Passing model objects from one view controller to another in a navigation stack

Question

I have two UITableViewControllers. One displays a list of names and on tapping any cell will push the second TableViewController which enables the user to edit the name in a UIT

Answer 1

Are they connected by a navigation controller?

If so, this could solve the problem

// in SecondViewController.m
NSArray* controllers = self.navigationController.viewControllers;
UITableViewController* firstViewController = [controllers objectAtIndex:controllers.count-2];