claim: Yin and yang contain a section of the opposite element in each portion.
evidence: Not to be confused with Charles Colson .. Charles Colson. Charles Colson. Charles Alfred Coulson -LRB- 13 December 1910 -- 7 January 1974 -RRB- was a British applied mathematician , theoretical chemist and religious author .. British. United Kingdom. applied mathematician. applied mathematician. theoretical chemist. Theoretical chemistry. His major scientific work was as a pioneer of the application of the quantum theory of valency to problems of molecular structure , dynamics and reactivity .. quantum theory of valency. Quantum chemistry. molecular structure. molecular structure. dynamics. molecular dynamics. reactivity. Reactivity ( chemistry ). He shared his deep religious belief , as a Methodist lay preacher , with the general public in radio broadcasts , served on the World Council of Churches from 1962 to 1968 and was Chairman of Oxfam from 1965 to 1971 .. Methodist. Methodism. lay preacher. lay preacher. World Council of Churches. World Council of Churches. Oxfam. Oxfam. Coulson went up to Trinity College , Cambridge in 1928 , graduated in mathematics in 1931 and natural sciences in 1932 , going on to receive a Ph.D. in 1936 .. He married Eileen Florence Burrett in 1938 .. Coulson was a Senior Lecturer in the Mathematics Department of University College , Dundee , which was administratively part of the University of St. Andrews from 1938 to 1945 .. Mathematics. Mathematics. University of St. Andrews. University of St. Andrews. He held a Fellowship at the University of Oxford from 1945 to 1947 , when he took up the newly appointed Chair of Theoretical Physics at King 's College London .. Oxford. Oxford. Physics. Physics. University of Oxford. University of Oxford. He returned to Oxford in 1952 as Rouse Ball Professor of Mathematics and Fellow of Wadham College .. Oxford. Oxford. Mathematics. Mathematics. Rouse Ball Professor of Mathematics. Rouse Ball Professor of Mathematics. Wadham College. Wadham College, Oxford. He set up and directed the Mathematical Institute .. Mathematical Institute. Mathematical Institute. In 1972 he was appointed to the newly created Chair of Theoretical Chemistry , which has since been named for him .. Chemistry. Chemistry. He was elected a Fellow of the Royal Society of Edinburgh in 1941 and a Fellow of the Royal Society of London in 1950 .. Royal Society of Edinburgh. Royal Society of Edinburgh. Royal Society. Royal Society. He was awarded the Davy Medal of the Royal Society in 1970 , the Faraday and Tilden Medals of the Chemical Society in 1968 and 1969 respectively , and received a dozen honorary degrees from English and other universities .. Davy Medal. Davy Medal. Royal Society. Royal Society. Chemical Society. Chemical Society. He was a member of the International Academy of Quantum Molecular Science .. His books include Waves , Electricity , Valence and Science and Christian belief .. In each of his successive appointments , Coulson attracted an active and enthusiastic group of graduate students , short and long term visitors , many of whom held senior university and industrial positions in England and other countries .. Many of his students went on to make major contributions in several fields of endeavour .. Coulson was an excellent cricketer and chess player , a warm family man and had a strong sense of humour .. chess. chess. He and Eileen were gracious hosts to his students and his associates .. The conference in his honour at Brasenose College in 1967 had an impressive international attendance , despite the difficulty of organizing it during a postal strike .