His name was Arnold Parks. He caught another worker who had fallen off the top of the canyon.

VOA: special.2010.10.27

He points out that some parks operate bus systems so visitors do not drive through protected areas.

VOA: special.2009.09.28

He said Rosa Parks's bravery serves as an example of the power of small acts.

VOA: special.2009.03.08

He said that Rosa Parks helped to set all Americans free.

VOA: special.2009.03.08

And he established a number of national parks.

VOA: special.2010.08.12