Susan Matt is chair of the history department at Weber State University, and Luke Fernandez is Weber State’s manager for program and technology development.

In 1937, as she lay ill in bed, Annie Oakes Huntington, a writer living in Maine, thought of ways to spend her time. She confided in a letter: “The radio has been a source of unfailing diversion this winter. I expect to enter all the courses at Harvard to be broadcasted.” Huntington was joining in an educational experiment sweeping the country in the 1920s and 30s: massive open on-air courses.

As educators contemplate the MOOCs of our day—massive open online courses—they would do well to consider how earlier generations dealt with technology-enhanced education.

We are not the first generation to believe that technology can transcend distance and erode ignorance. Nearly a century ago, educators were convinced that radio held that same potential. The number of radios in the United States increased from six or seven thousand to 10 million between 1921 and 1928. Many universities explored the possibility of broadcasting courses across the country and allowing anyone to enroll. Some onlookers believed those courses would transform higher education and eliminate lecture halls and seminar rooms. One observer noted, “The nation has become the new campus,” while another celebrated the “‘University of the Air,’ whose campus is the ether of the earth, whose audience waits for learning, learning, learning.”...