"A story of perseverance and the power of convictions from the groundbreaking immigrant scientist whose decades-long research led to the COVID-19 vaccines. Katalin Karikó had an unlikely journey. The daughter of a butcher in postwar communist Hungary, Karikó grew up in a one-room home that lacked running water, and her family grew their own vegetables. She saw the wonders of nature all around her and was determined to become a scientist. That determination...