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Ivan Pavlov
Ivan Petrovich Pavlov (; 27 February 1936) was a Russian physiologist known primarily for his work in classical conditioning. From his childhood days Pavlov demonstrated intellectual brilliance along with an unusual energy which he named "the instinct for research". Inspired by the progressive ideas which D. I. Pisarev, the most eminent of the Russian literary critics of the 1860s, and I. M. Sechenov, the father of Russian physiology, were spreading, Pavlov abandoned his religious career and devoted his life to science. In 1870 he enrolled in the physics and mathematics faculty at the University of Saint Petersburg to take the course in natural science. Ivan Pavlov devoted his life to the study of physiology and sciences, making several remarkable discoveries and ideas that were passed on from generation to generation.〔(【引用サイトリンク】url=http://www.nobelprize.org/nobel_prizes/medicine/laureates/1904/pavlov-bio.html )〕 He won the Nobel Prize for Physiology or Medicine in 1904,〔〔(【引用サイトリンク】title=The Nobel Prize in Physiology or Medicine 1904 )〕 becoming the first Russian Nobel laureate. A ''Review of General Psychology'' survey, published in 2002, ranked Pavlov as the 24th most cited psychologist of the 20th century. Pavlov's principles of classical conditioning have been found to operate across a variety of experimental and clinical settings, including educational classrooms.
==Education and early life==
Ivan Pavlov, the eldest of eleven children, was born in Ryazan (now the Central Federal District) of the Russian Empire. His father, Peter Dmitrievich Pavlov (1823–1899), was a village priest.〔 His mother, Varvara Ivanovna Uspenskaya (1826–1890), was a devoted homemaker. As a child, Pavlov willingly participated in house duties such as doing the dishes and taking care of his siblings. He loved to garden, ride his bicycle, row, swim, and play gorodki; he devoted his summer vacations to these activities.〔Asratyan, p. 8〕 Although able to read by the age of 7, Pavlov was seriously injured when he fell from a high wall onto stone pavement;〔Asratyan, p. 9〕 he did not undergo formal schooling until he was 11 years old as a result of his injuries.〔
Pavlov attended and graduated from the Ryazan church school before entering the local theological seminary. However, in 1870, Pavlov left the seminary without graduating to attend the university at St. Petersburg where he enrolled in the physics and math department and took natural science courses. In his fourth year, his first research project on the physiology of the nerves of the pancreas〔Asratyan, pp. 9–11〕 won him a prestigious university award. In 1875, Pavlov completed his course with an outstanding record and received the degree of Candidate of Natural Sciences. However, impelled by his overwhelming interest in physiology, he decided to continue his studies and proceeded to the Imperial Academy of Medical Surgery. While at the Academy of Medical Surgery, Pavlov became an assistant to his former teacher, Tyson, but left the department when Tyson was replaced by another instructor.
After some time, Pavlov obtained a position as a laboratory assistant to Professor Ustimovich at the physiological department of the Veterinary Institute.〔Asratyan, p. 12〕 For two years, Pavlov investigated the circulatory system for his medical dissertation.〔 In 1878, Professor S.P. Botkin, a famous Russian clinician, invited the gifted young physiologist to work in the physiological laboratory as the clinic's chief. In 1879, Pavlov graduated from the Medical Military Academy with a gold medal award for his research work. After a competitive examination, Pavlov won a fellowship at the Academy for postgraduate work.〔Asratyan, p. 13〕 The fellowship and his position as Director of the Physiological Laboratory at the clinic of the famous Russian clinician, S. P. Botkin enabled Pavlov to continue his research work. In 1883, he presented his doctor's thesis on the subject of ''The centrifugal nerves of the heart'' and posited the idea of ''nervism'' and the basic principles on the trophic function of the nervous system. Additionally, his collaboration with the Botkin clinic produced evidence of a basic pattern in the regulation of reflexes in the activity of circulatory organs.
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