Donald T. Bray, died February 25, at St. Luke’s Hospital, Boise, ID from complications of congestive heart failure. He was born March 9, 1922 near The Dalles, Oregon, to Solon and Ada Bray. Bray attended Gooding High School, graduated from the University of Idaho with a Master’s Degree in chemical engineering and attended the Oak Ridge School of Reactor Technology, where he received the equivalent of a doctorate in nuclear technology. He was a WWII veteran and served as an Army officer stationed in Berlin. In the 1960s, Bray started Desalination Systems, Inc. and Nimbus Water Systems, Inc. His contributions to the water treatment business are legendary. One of the pioneers in the field, Bray patented the first commercial spiral-wound configuration. He and his partners and colleagues Nimbus Founder dies in ID are responsible for a long list of patents and innovations, including the first commercial residential RO system, the first multi-layer RO membrane, the air/water storage tank, the faucet air-gap, the first faucet-mounted RO system, new membrane casting techniques and multi-cartridge rolling systems and machinery. Bray is survived by his wife of 25 years, Julianne LaFrankie Bray; daughter Nancy A. Bray, Ph.D.; stepchildren and their spouses, Scott (Suzanne) Huxhold, Michael (Devon) Goodbody, Anthony (Patricia) Capone and Teresa (Randy) Schlaffer; seven grandchildren and many nieces and nephews. He was preceded in death by daughters Kathy and Amy. Bray was buried in the historic Clover Creek cemetery adjacent to the ranch he loved so much.