Dr. Dorothy Andersen solved a vexing medical mystery by identifying cystic fibrosis. But the mystery of her missing portrait remained unsolved. This week, we're featuring an episode from the Lost Women of Science podcast about a physician who changed the way we understand acute lung and gastrointestinal problems in small children. But if she was such a medical heavyweight, why did her 1963 portrait disappear from Columbia University's Babies Hospital? The answer tells us something about the perils of memorialization.