Three cheers to Daniel K. Ludwig Professor for Cancer Research Robert Weinberg, 2021 Japan Prize laureate in the field of Medical Science and Medicinal Science. He is honored jointly with Bert Vogelstein (Johns Hopkins Medicine) for their pioneering contributions to the development of a multi-step carcinogenesis model, its application and its impact on improving cancer treatment. The Japan Prize is awarded annually to scientists and engineers from around the world who have made significant contributions to the advancement of science and technology, thereby furthering the peace and prosperity of humankind.