Henrietta Lacks played a pivotal role in medical research through her cancer cells, known as HeLa cells. Taken without her knowledge in 1951, these cells became the first immortal human cell line, significantly contributing to breakthroughs in medicine, including cancer research, vaccines, and genetics. Lacks's cells have been used in countless studies due to their unique ability to reproduce indefinitely, raising critical ethical questions regarding informed consent and medical research. Her story highlights the intersection of race, ethics, and scientific advancement, making her a symbol of both exploitation and invaluable contribution to science.