Wolfram Kircher is an international expert on natural swimming pools and he teaches planting design at "Anhalt University", Bernburg, Germany. His research into low-maintenance naturalistic plantings on extreme substrates, which made an important contribution to "new German style" planting, puts habitat planting in reach of amateur gardeners. He lectures widely.
Andreas Thon works as a consultant in the field of irrigation and water purification and is a trained landscape architect who has constructed several natural swimming pools.