From 1984 to 1994 , he was on the faculty of the University of Illinois .
From 1978 to 1980 , he completed postdoctoral training at the National Jewish Hospital and Research Center , where he was a Senior Research Associate from 1980 to 1984 .
From 1984 to 1994 , Senior Research Associate was on the faculty of the University of Illinois .
From 1978 to 1980 , he completed postdoctoral training at the National Jewish Hospital and Research Center , where he was a Senior Research Associate from 1980 to 1984 .