Ann Whitehead Nagda has a degree in mathematics and for many years had a job with IBM that allowed her to travel around the world. Her visits to national parks and reserves in Asia and Africa have inspired her to write several books about wild animals, including Bamboo Valley: A Story of a Chinese Bamboo Forest. Ms. Nagda's love of animals has led to her becoming a docent at the Denver Zoo.
Cindy Bickel has worked at the Denver Zoo for twenty-nine years. During her career, she has hand-raised hundreds of babies for the zoo, using math every day in her job as a veterinary assistant. Ms. Bickel helped write Klondike and Snow: The Denver Zoo's Remarkable Story of raising Two Polar Bear Cubs.