She was ninety-nine years old when she died.

The span of a ninety-nine year life that begins in 1908 and ends in 2008 encompasses things that are almost impossible to hold together in a single frame.

In 1908, the fastest vehicles available to ordinary people were horses.

In 2008, there was a car — the Curiosity rover’s predecessors were already being designed — that would eventually drive across the surface of Mars.

In 1908, the United States had no standing aerospace industry.