In 1981, a group of Brown University students found a creative way of protesting a lecture by Central Intelligence Agency Director William Casey. Then, in keeping with the CIA’s campus fixation, the Agency kept tabs on the students as they defended their free speech rights.

The Federal Bureau of Investigation file on famed artificial intelligence pioneer Marvin Minsky documents what appears to be a 1964 investigation into the wife of one of Minsky’s acquaintances, whom the Bureau suspected of being a Soviet spy. Though details are scarce and redactions heavy, the Massachusetts Institute of Technology professor does manage to add some fuel to an ancient Ivy League rivalry.

In response to dwindling recruitment numbers in the ’60s, the Central Intelligence Agency adopted a more aggressive program to lure in the best and brightest from America’s college campuses. That increased visibility led to the Agency facing with heavy resistance from student protests, in the form of citizen’s arrests, paint-throwing, patriotic frat boys, and in one case, aggravated poetry.

As part of back-to-school week, we combed through the CIA archives to find connections between colleges and the Agency. Today, we’re looking at the Ivy League.