 She was a professor of sociology at the University of Washington and research editor of "Combat", a subsidiary of "National Review".She helped launch "Deadline Data on World Affairs" and she was a staff member of the US House Committee on Internal Security.Although he suffered from Parkinson's disease during his last years, which was reported as the cause of death in an obituary published in "The New York Times", Matthews actually died of a brain tumor in New York City on July 16, 1966, aged 72.