Robertson was a nationally recognized scholar of American political development as well as a beloved teacher who inspired thousands of students over 37 years at UMSL.

Robertson was a nationally recognized scholar of American political development as well as a beloved teacher who inspired thousands of students over 37 years at UMSL.
Robertson was a nationally recognized scholar of American political development as well as a beloved teacher who inspired thousands of students over 37 years at UMSL.
Robertson was a nationally recognized scholar of American political development as well as a beloved teacher who inspired thousands of students over 37 years at UMSL.
Social media manager Valerie Furlong captured video from the two-day event created to immerse area high school students in the joy of singing a cappella music.