From the New York Times:
Irving Louis Horowitz, an eminent sociologist and prolific author who started a leading journal in his field but who came to fear that his discipline risked being captured by left-wing ideologues, died on Wednesday in Princeton, N.J. He was 82.
…
Though many considered him a neoconservative, he professed no political allegiance. In a 2007 article, he argued that Fidel Castro, the Communist Cuban leader, and Francisco Franco, the conservative leader of Spain, were equivalent tyrants.
…
In a journal article, he denounced leftist advocacy, writing, “You do not get good science by being politically correct.”