1918-1959, worked at Uni. of California. His stay at Uni. of California was interrupted, when he was dismissed for refusing to sign a loyalty oath. He led a fight against the loyalty oath as an infringement （违反，侵害） on academic freedom and was
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
