<P> 2007: Professor Perry McCarty, Stanford University, United States </P> <P> For pioneering work in developing the scientific approach for the design and operation of water and wastewater systems . He has established the role of fundamental microbiology and chemistry in the design of bioreactors . Professor McCarty has defined the field of environmental biotechnology that is the basis for small - scale and large - scale pollution control and safe drinking water systems . </P> <P> 2006: Professor Asit K. Biswas, The Third World Center for Water Management </P> <P> For his outstanding and multi-faceted contributions to global water resource issues, including research, education and awareness, water management, human and international relations in both developed and developing countries . </P>

Name of the person who own the stockholm water prize in 2006