Overview The Division of Environmental Research (DER) was established as a department of the Academy of Natural Sciences in 1947 by botanist and limnologist, Dr. Ruth Patrick. Originally called the Department of Limnology, the department was envisioned by Patrick as a multidisciplinary team of scientists devoted to helping protect the quality of the environment. Not only was environmental research a novel idea for the time, but the multidisciplinary nature of the research was also innovative. The...