Breadcrumb Home UI's Suls discovers tornados survivors are more optimistic Thursday, March 7, 2013 University of Iowa Diversity Website http://abcnews.go.com/Technology/tornado-survivors-optimistic-worst-disaster-st… UI psychologist Jerry Suls was part of a research team that looked at how people get on with their lives following harrowing experiences after he was unscathed when a tornado hit downtown Iowa City in 2006.