Dr. Newell was an investigator for 20 years in the Trauma Research Center at the Albany Medical Center, conducting clinical research into the physiological consequences and complications of injury or trauma. He has investigated basic physiological regulation of the pulmonary circulation and gas exchange. He has been a reviewer of grants for research and training in Biomedical Engineering for the National Institute of Health, the National Science Foundation, the Whitaker Foundation, and other agencies. He has been an Associate Editor for the IEEE Transactions on Medical Imaging, and a reviewer of manuscripts for that and many other journals. Since 1985, he has collaborated with several other faculty in developing Electrical Impedance Imaging systems. The focus of this work has been its application to breast cancer diagnosis. Present efforts are directed at continuous bedside monitoring of heart and lung function in the critically ill.