Ludwig Cancer Research is an international community of scientists focused on cancer research, with the goal of preventing and controlling cancer. It encompasses the Ludwig Institute for Cancer Research, an international non-profit organization founded in 1971 by philanthropist Daniel K. Ludwig. The Institute is headquartered in New York City, with a European office located in Zurich. In addition, six Ludwig Centers were established at leading US cancer research institutions. Together, the Institute and Centers are known as Ludwig Cancer Research.