Dr. Harvey Karp (author of The Happiest Baby on the Block)

Dr. Harvey Karp is a pediatrician and child development expert best known for his book "The Happiest Baby on the Block," which offers strategies to soothe and calm fussy infants. He emphasizes the importance of a calming technique called the "5 S's"—swaddling, side/stomach position, shushing, swinging, and sucking—to help babies feel secure and reduce crying. Karp's work has significantly influenced parenting practices and supports new parents in understanding and responding to their baby's needs. He is also recognized for his contributions to child health and development through research and public speaking.