From describing his career launch as “a series of accidents” to revealing The Hallmarks of Cancer began as a conversation on the side of a volcano, Bob Weinberg shares lesser-known anecdotes from his career as an indisputably formative pioneer of cancer research in a CancerWorld feature. Having formally closed his lab at the end of 2025, the founding faculty member of MIT’s Center for Cancer Research reflects on more than 50 years of science, quiet leadership, and life.