Between September 6–10, 1909, Sigmund Freud delivered his only American lectures at Clark University ("Five Lectures on Psycho-Analysis" later published as "On Psychoanalysis"). Carl Jung joined him, and William James attended.
Albert A. Michelson, chairman of Clark University's Physics Department, was named America's first Nobel Prize Winner in 1902 for his experiments relating to his calculation of the speed of light.[6]
Charles Hill Morgan patented a direct-action hydraulic elevator and installed the first one.
The David Clark Company designed and built a pressure suit for Felix Baumgartner's world-record skydive attempt in 2010. The jump, if successful, will make the suit (and Felix) the first to travel supersonic in free-fall.