Carla Mende/David Degner/Business Insider
- Jim Greberis has been serving classics like steak and eggs at Summit Diner for over four decades.
- He said he won't put avocados on the menu partly because they go bad fast.
- While the diner's interior has stayed nearly the same since 1939, a lot has changed over the years.
This as-told-to essay is based on a conversation with Jim





