Over the course of the United States' presidential history, well over 200 pets have resided in, or on the grounds of, the White House with the First Family. Our current First Dog, Bo, could even be considered mundane by the standards of some of our previous First Pets.
A Savonarola chair is a chair with a distinctive X-shaped frame. This chair is native to the Mediterranean, where various versions were made across Ancient Rome, Greece, and Egypt, with examples of the chair dating to at least 2,000 BCE. A number of furniture companies manufacture modern Savonarola chairs, including replicas of antiques along with chairs updated for modern aesthetics.
An ergonomic chair is made to properly support your body for long periods of time. A non-ergonomic chair would be the type you find at a fast food restaurant or on some city benches where they discourage long term comfort usually to increase circulation.