Gregory Vlamis is a researcher and author. He has been researching the life and work of Dr. Edward Bach since the early 1970s, and divides his time between the USA and Greece.

Helen Graham is a lecturer at Keele University, England, and the author of several books on psychology and complementary medicine. She breeds Salukis, and lives in rural England with her husband, mother, numerous Salukis, rare breeds of sheep, ornamental wildfowl and traditional breeds of poultry.