DONALD H. MARX
Dr. Donald H. Marx is Chief Scientist of Plant Health Care, Inc. and PHC Reclamation, Inc., which are leading microbial biotechnology and mined-land reclamation companies. He got his BS and MS degrees from the Univ. of Georgia, and in 1966, his Ph.D in Plant Pathology from North Carolina State University in Raleigh, NC. Prior to college, he served in the USMC infantry in the Middle and Far East. During his 37 years of service with the USDA Forest Service, He conducted extensive research on the practical use of beneficial mycorrhizal fungi to improve forest regeneration worldwide, as well as work in air pollution, mined land reclamation, stress relationships in trees, root diseases, use of organic soil amendments on adverse sites, exotic tropical forestry, urban forestry and nursery management throughout the US and in over 20 other countries. He has authored more than 300 scientific papers and presented more than 300 invitational lectures on soil and root biology in 21 countries. In 1991, the King of Sweden awarded Dr. Marx the esteemed Marcus Wallenberg Prize (considered the equal to a Nobel Prize) for his practical work on beneficial mycorrhizal fungi and their role in tree growth and development. He retired from the US Forest Service in 1994. He teaches a two-day Plant Biology Workshop at the PHC Education Center in South Carolina.