Elizabeth (Leah) R. Messer Diehl, RLA, HTM has served as Editor-in-Chief
of the Journal of Therapeutic Horticulture since 1999 and was a
member of AHTA’s Board of Directors from 1997-2006. She has bachelor’s
degrees in both architecture and art history from the University
of Illinois-Chicago and a master’s degree in landscape architecture
from the University of Pennsylvania. She began her work in horticultural
therapy in Chicago in 1993, where she started up a therapeutic and
pre-vocational program for individuals with physical and developmental
disabilities at Misericordia Home. She has taught both landscape
design and horticulture courses at several universities and colleges
and has published many papers on horticultural therapy and therapeutic
landscapes, the most recent being a chapter on healing gardens in
Ecotherapy: Healing with Nature in Mind. She lives in Gainesville,
Florida where she owns Terra Firma Design, a landscape architectural
design firm.