Kimberly Arcand is the visualization lead for NASA's Chandra X-ray Observatory, specializing in image and meaning research, and in data representation. She lives near Providence, RI.

Megan Watzke is the press officer for NASA's Chandra X-ray Observatory, specializing in communicating astronomy with the public. She lives in Seattle, WA. Together, Arcand and Watzke are the authors of Light: The Visible Spectrum and Beyond.

Katie Peek began her career as an astrophysicist, searching for planets that circle distant stars and and investigating the history of our own Milky Way galaxy. After earning her Ph.D., she transitioned to science journalism and ultimately to data visualization and illustration. The former information graphics editor at Popular Science magazine, today she creates graphics for many publications, scientific and not.