Darlene Winter has been a zoo docent for 12 years. Elizabeth Frank is not only a volunteer but also retired from the Milwaukee County Zoo as curator of large mammals. Mary Kazmierczak is librarian and information specialist for the Milwaukee County Zoo and the Zoological Society of Milwaukee. Most of the images in this book were provided by the zoo library, as well as the Milwaukee County Historical Society, Milwaukee Public Library, the Pabst Mansion, the Milwaukee Journal Sentinel, and Richard Brodzeller, photographer for the Zoological Society of Milwaukee.