Social work lecture on complexity theory is April 27 Please join the Department of Social Work for a special lecture on chaos and complexity theory for community development, presented by Ralph Woehle from 9 to 11 a.m. Friday, April 27, in the Lecture Bowl, Memorial Union. In January, Dr. Woehle attended a two-week workshop at the Massachusetts Institute of Technology studying various types of theories. He has been studying complexity theory for the past six years. Everyone is invited to attend.