Origins & Early Life

Harrison Colyar White (March 21, 1930 – May 18, 2024) was an American sociologist who was the Giddings Professor of Sociology at Columbia University. White played an influential role in the “Harvard Revolution” in social networks and the New York School of relational sociology. He is credited with the development of a number of mathematical models of social structure including vacancy chains and blockmodels. He has been a leader of a revolution in sociology that is still in process, using models of social structure that are based on patterns of relations instead of the attributes and attitudes of individuals.

Pivotal Works & Achievements

Among social network researchers, White is widely respected. For instance, at the 1997 International Network of Social Network Analysis conference, the organizer held a special “White Tie” event, dedicated to White. Social network researcher Emmanuel Lazega refers to him as both “Copernicus and Galileo” because he invented both the vision and the tools. The most comprehensive documentation of his theories can be found in the book Identity and Control, first published in 1992. A major rewrite of the book appeared in June 2008.

Enduring Legacy & Impact

In 2011, White received the W.E.B. DuBois Career of...

Contemporary Figures & Related Historical Timelines

• Alfred von Tirpitz — Contemporary (Died in 1930) (1930): Architect of the modern German battle fleet and naval expansionist.
• Alfred Wegener — Contemporary (Died in 1930) (1930): Pioneering geophysicist known for proposing the theory of continental drift.
• Ali al-Sistani — Contemporary (Born in 1930) (1930): Leading Twelver Shia scholar and Grand Ayatollah of Najaf, Iraq.
• Akira Toriyama — Contemporary (Died in 2024) (2024): Pioneering manga artist, creator of Dr. Slump and the global phenomenon, Dragon Ball.
• Alain Delon — Contemporary (Died in 2024) (2024): Iconic French actor, producer, and cinematic leading man of the 20th century.
• Alice Munro — Contemporary (Died in 2024) (2024): Master of the short story, exploring human complexity in rural Ontario.
• Ali Abdullah Saleh — Shared historical date (03-21 · Born) (1947): Yemeni military officer and politician who served as President of Yemen from 1990 to 2012.
• Ali Daei — Shared historical date (03-21 · Born) (1969): Legendary Iranian striker, celebrated for his prolific goal-scoring record in Asian football.
• Abraham Pais — Shared historical date (05-19 · Born) (1918): Pioneering physicist and acclaimed science historian of modern physics.
• Alcuin — Shared historical date (05-19 · Died) (804): Leading scholar of the Carolingian Renaissance, influential teacher and clergyman.
• 1930 Historical Timeline & Archive — Explore world events and figures from 1930
• March 21 (03-21) On This Day — Historical birthdays and events on March 21
• 2024 Historical Timeline & Archive — Explore world events and figures from 2024
• May 19 (05-19) On This Day — Historical events and memorials on May 19