Sally S. Weeks was born and grew up on a dairy farm near Winamac, Indiana. She received a BSF in wildlife management and a MS in forestry from Purdue's Department of Forestry and Natural Resources, where she now teaches tree and shrub identification. Harmon P. Weeks Jr. is a professor of wildlife science in forestry and natural resources at Purdue University and has taught habitat management for over thirty years. Michael Homoya is state botanist for the Indiana Division of Nature Preserves, holds two degrees in botany from Southern Illinois University, and is renowned for his knowledge of Midwestern flora.