Heath, Douglas L.: - Douglas Heath was born in New Jersey and grew up in Taos, New Mexico, and New York City. He worked as a hydrogeologist at the U.S. Geological Survey and U.S. Environmental Protection Agency (EPA) for thirty years, where he specialized in protecting drinking water supplies in New England. As well as his work as a scientist, he is an experienced genealogist, local historian and photographer in using nineteenth-century glass plate methods.

Alison Simcox was born in London, England, and grew up in Lexington, Massachusetts. In 1998, she was the second woman to earn a doctorate in engineering from Tufts University. She currently works in EPA's air quality program as a specialist in particle pollution and biomass energy. In her free time, she enjoys playing soccer, bicycling, running and ocean kayaking.