He died in 1993 of congestive heart failure in Kishwaukee Community Hospital , DeKalb , Illinois .
Dionisopoulos was a professor of political science at Northern Illinois University .
Dionisopoulos died in 1993 of congestive heart failure in Kishwaukee Community Hospital , DeKalb , Illinois .
Dionisopoulos was a professor of political science at Northern Illinois University .