Development refers to the ways people grow, adapt, and change during their lifetimes. physical development, personality development, socioemotional development, cognitive development(thinking), and language development
Affiliation: Institute of Experimental Medicine, St. Petersburg (Professor from 1890; Director from 1902); Military Medical Academy, St. Petersburg Worked on the physiology of circulation and digestion In 1904,he won Nobel Prize for his work on the physiology of digestion