This man delineated symmetrical and asymmetrical versions of the title concept of one of his works, one of which requires mocking and one of which requires reciprocity. This man observed that behavior among mother-in-laws in South Africa, and termed it the "joking relationship." This man advocated his "comparative method" as an alternative to prevailing methods, and his students at the University of Chicago published notes of his lectures as A Natural Science of Society. This man analysed the question of why certain social functions become fixed in one of his works, entitled The Social Organization of Australian Tribes. For ten points, identify this British exponent 
This man delineated symmetrical and asymmetrical versions of the title concept of one of his works, one of which requires mocking and one of which requires reciprocity. This man observed that behavior among mother-in-laws in South Africa, and termed it the "joking relationship." This man advocated his "comparative method" as an alternative to prevailing methods, and his students at the University of Chicago published notes of his lectures as A Natural Science of Society. This man analysed the question of why certain social functions become fixed in one of his works, entitled The Social Organization of Australian Tribes. For ten points, identify this British exponent of Structural Functionalism, who collected lots of his field observations and theories in The Andaman Islanders.
This man delineated symmetrical and asymmetrical versions of the title concept of one of his works, one of which requires mocking and one of which requires reciprocity.
Alfred {Radcliffe-Brown}