Brookhaven National Laboratory is a research and development laboratory that conducts research in various fields, including physics, chemistry, biology, medicine, and environmental science. The laboratory is operated by Brookhaven Science Associates, a partnership between Stony Brook University and Battelle Memorial Institute. Brookhaven National Laboratory is located in Upton, New York, and has over 3,000 employees. The laboratory was founded in 1947 and is funded by the U.S. Department of Energy's Office of Science.