But she left to answer the phone, and hours later she strode back down the hall and obliviously stepped into the gaping hole. It almost happened when a recent heat wave gave her the idea to “air-condition” her sweltering home: She pried up an oubliette floor grate in her hallway, intending to install a fan to suck up the basement’s cooler air. Wendy Northcutt has made a host of obscure people famous, and although very few lived to savor their notoriety, she anticipates one day sharing their dubious honor.