Ashani T. Weeraratna is a Bloomberg Distinguished Professor of Cancer Biology and the chair of the Department of Biochemistry and Molecular Biology at the Johns Hopkins Bloomberg School of Public Health. A groundbreaking researcher focused on the connections between aging and cancer, Weeraratna is also the co-program leader of the Cancer Invasion and Metastasis Program at the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins School of Medicine, and the president of the Society for Melanoma Research. A writer in residence at Johns Hopkins University, Tim Wendel is the author of 15 books, including Summer of '68: The Season That Changed Baseball--and America--Forever, Castro's Curveball, and Cancer Crossings: A Brother, His Doctors, and the Quest for a Cure to Childhood Leukemia. His work has appeared in the New York Times, the Washington Post, National Geographic, and elsewhere.