Question: Edward Laumann studied under which sociologist born in 1902?

Context articles: Pitirim Sorokin
Edward Laumann
Jorge Aliaga Cacho
Celia Stopnicka Heller
Dinko Tomašić
Talcott Parsons
Maud Sumner
Ernest Burgess
Christian Giordano
Ramon Gallegos Nava

Pitirim Alexandrovich Sorokin ( ; Russian: Питири́м Алекса́ндрович Соро́кин , 2 February [O.S. 21 January] 1889 , Turiya village, Vologda Governorate – 10 February 1968, Winchester, Massachusetts) was a Russian American sociologist born in modern-day Komi Republic of Russia.
 An academic and political activist, he emigrated from the Soviet Union to the United States in 1923.
 In 1930, at the age of 40, Sorokin was personally requested by the president of Harvard University to accept a position there.
 At Harvard, he founded the Department of Sociology.
 He was a vocal critic of his colleague Talcott Parsons.
 Sorokin was an ardent opponent of Communism, which he regarded as a "pest of man."
 He is best known for his contributions to the social cycle theory.
Edward Otto Laumann (born August 31, 1938) is an American sociologist.
 He is the George Herbert Mead Distinguished Service Professor in the Department of Sociology at the University of Chicago.
 Laumann earned his Ph.D. in the Harvard Department of Social Relations in 1964, where he studied under George Homans, Talcott Parsons, and Harrison White.
 He has written extensively on social stratification, urban sociology, organizational sociology, health and aging, and is widely recognized as a pioneer in the areas of social network analysis and the sociology of sexuality.
 In 2013, he was elected to the American Academy of Arts & Sciences.
Jorge Aliaga Cacho, is a writer and sociologist born in Lima, Peru.
 He entered the National Institute of Culture where he was elected President of the Association of Workers (ATINC).
 In his capacity as chairman he played an important role in the formation of the Confederation of State Employees (CITE).
 He was awarded the "City of Ayacucho medal" for literary merit, the city where Latin Americans sealed their independence from Spain, he was also awarded the "Josè Marìa Arguedas" medal from the Global Association of Writers and Artists, (La Asociaciòn de Escritores y Artistas del Or be).
 He has published a novel, "Secreto de desamor", Renteria Editores, Lima, 2007 and a book of short stories: "Mufida, La angolesa", Editores Altazor, Lima, 2011.
Celia Heller (20 November 1922 – 15 April 2011) is an American sociologist born in Poland.
Dinko Antun Tomašić (1902–1975) was a croatian, yugoslav and american sociologist and academic.
 He was born in Smokvica on the island of Korčula in Kingdom of Dalmatia, Austro - Ungarian monarchy ( present Croatia ) .
 He studied law at the University of Zagreb and the University of Paris and taught in Zagreb.
 After his immigration to the United States ca. 1943, he became a member of the faculty at Indiana University.
 He also worked for the United States Air Force and for Radio Free Europe.
 Tomašić was the author of numerous publications on various aspects of the sociology of international relations.
Talcott Parsons (December 13, 1902 – May 8, 1979) was an American sociologist of the classical tradition, best known for his social action theory and structural functionalism.
 Parsons is considered one of the most influential figures in the development of sociology in the 20th century.
 After earning a Ph.D. in economics, he served on the faculty at Harvard University from 1927 to 1979.
 In 1930, he was among the first professors in its new sociology department.
Maud Frances Eyston Sumner (1902–1985) was born in 1902 in Johannesburg, South Africa.
 After completing her schooling at Roedean in Johannesburg she studied literature at Oxford University from 1922 to 1925.
 Sumner later studied painting at the Westminster School of Art.
 Attracted to the French art scene, Sumner moved to Paris in 1926, where she studied for four years at the Academie de la Grande Chaumière.
 She was part of the art movement called the Ateliers d'Art Sacré, she loved the new style of painting taught by the masters George Desvallieres and his co-founder Maurice Denis, where everyday scenes were permeated with religious undertones.
Ernest Watson Burgess (May 16, 1886 – December 27, 1966) was a Canadian-American urban sociologist born in Tilbury, Ontario.
 He was educated at Kingfisher College in Oklahoma and continued graduate studies in sociology at the University of Chicago.
 In 1916, he returned to the University of Chicago, as a faculty member.
 Burgess was hired as an urban sociologist at the University of Chicago.
 Burgess also served as the 24th President of the American Sociological Association (ASA).
Christian Giordano (born October 27, 1945) is a Swiss anthropologist and sociologist born in Lugano, Switzerland.
 Since 1989, he has been Professor of Ethnology and Social Anthropology and Head of the Institute of Social Anthropology at the University of Fribourg in Switzerland.
Ramón Gallegos Nava is a sociologist born in Mexico and author of "Educación Holista" (1999, "Holistic Education", English version 2001).
 He studied psychology and sociology in college, and received his PhD in education.
 He is an author in genres such as education and spirituality.
 His most-known works are in the field of holistic education and spiritual intelligence.
 Ramon Gallegos has also developed new educative models, such as the Holistic Educative Multinivel-Multidimension model, the Learning Communities Model, and the Holistic Model of Spiritual Intelligence.