Dr. Harvey Karp is a pediatrician and child development expert known for his work in parenting and child care. He gained widespread recognition for his book, “The Happiest Baby on the Block,” which offers techniques to soothe crying infants and promote better sleep. His methods emphasize understanding babies' needs and creating a calming environment. In addition to his writing, Dr. Karp developed the Happiest Baby program, which includes a series of videos and classes for new parents. He is also a co-founder of SNOO, a smart bassinet designed to help babies sleep safely and soundly, incorporating his soothing techniques.