Tony Cashmore is an Australian scientist known for his research in the field of plant biology. He has made significant contributions to understanding how plants respond to light, particularly through his work on the phytochrome protein, which helps plants detect light and regulate their growth accordingly. In addition to his research, Cashmore has held academic positions at various institutions, including Princeton University. His work has implications for agriculture and environmental science, as it can help improve crop yields and sustainability by enhancing our understanding of plant responses to changing light conditions.