David Gordon Wilson was Professor of Mechanical Engineering Emeritus at MIT. An acknowledged authority on human-powered transit and bicycle design—and the self-described “father of modern recumbents”—he was also a prolific inventor and an early advocate for a “carbon fee” to encourage the use of renewable energy.

Theodosios Korakianitis is Dean of the Parks College of Engineering, Aviation, and Technology; Professor of Aerospace and Mechanical Engineering; and Professor of Biomedical Engineering at Saint Louis University.