What is physical development and author of this ideas?

Physical development refers to the growth and changes that occur in the body and its systems over time. It involves the development of motor skills, coordination, strength, and overall physical health.

There are several authors and theorists who have contributed to the understanding of physical development. One prominent figure is Jean Piaget, a Swiss psychologist known for his work on cognitive development. While Piaget primarily focused on cognitive development, he also recognized the importance of physical development in children's overall growth.

Another influential author in the field of physical development is Arnold Gesell, an American psychologist and pediatrician. Gesell's research focused on the milestones and patterns of physical development in children, providing valuable insights into the typical progression of motor skills and physical abilities.

It is important to note that physical development is a multidimensional concept, and various authors and researchers have contributed to our understanding of different aspects of this domain.