She went on to receive her master 's and doctorate in philosophy from Georgetown University in 1978 and 1980 , respectively .
Witt double majored at Swarthmore College , graduating in 1975 with degrees both classics and philosophy .
Witt went on to receive Witt 's master 's and doctorate in philosophy from Georgetown University in 1978 and 1980 , respectively .
Witt double majored at Swarthmore College , graduating in 1975 with degrees both classics and philosophy .