Career
His main area of interest became insects and his doctorate thesis at Cambridge University was on the life cycle of the tsetse fly. He was then awarded a post-doctorate research position at the Johns Hopkins University where he made a breakthrough in synthesis of the trapanosome that carries sleeping sickness in the tsetse fly. In 1989, Doctor Masterson was diagnosed with Melanoma.
Despite attempts at treatment the cancer had spread to his bowel and lungs leading to his eventual death.