Ruth A. Lawrence was a pediatrician and a pioneer in breastfeeding medicine. She was born on August 15, 1924 in Brooklyn, New York, USA.[1] She died on 12 October 2025 in Rochester, New York, USA, aged 101.[1] She was an internationally recognized leader in the science of breastfeeding and child care.[1][2] Her career in pediatrics and breastfeeding medicine spanned more than 70 years.[2]