Original sentence: After attending college at Oberlin in Ohio, she graduated from Barnard College in New York in 1953, doing graduate work at the Catholic University of  America in Washington, D.After teaching at Catholic University (1966-71) she became Professor of English at the University of Maryland (1971-76) and Professor of English and Comparative Literature at the University of Southern California (1976-86) and then at Stanford University (1986-90)
Edited sentence: After attending college at Oberlin in Ohio, she graduated from Barnard College in New York in 1953, doing graduate work at the Catholic University of America in Washington, D.After teaching at Catholic University (1966-71) she became Professor of English at the University of Maryland, College Park (1971-76) and Professor of English and Comparative Literature at the University of Southern California (1976-86) and then at Stanford University (1986-90)