Elizabeth Boults is a landscape architect and educator. She maintains an art-based practice in Berkeley, California, and teaches in the landscape architecture programs at University of California, Berkeley Extension, and University of California, Davis. Her subject areas include drawing, design, and history.

Chip Sullivan is a Professor of Landscape Architecture at the University of California, Berkeley. Author of several books, he is the recipient of the Rome Prize, among many other national and international awards. He currently writes an ongoing series of illustrated articles for Landscape Architecture magazine.