From 1981 to 1982, Cather was at the American Academy in Rome, assisting Professor Irving Lavin with an exhibition on Gian Lorenzo Bernini's drawings.[4] From 1982, she lectured in the art history department of the University of Cambridge; in 1985, she helped to establish the Conservation of Wall Painting department at the Courtauld Institute of Art.[3]
In 2014 Cather was awarded the People's Republic of China Friendship Award (China) after a long period of collaboration with the Dunhuang Academy.[5]
In 2017, Cather received the Plowden Medal from the Royal Warrant Holders Association citing “her commitment and leadership in research, innovation and education in wall painting conservation” towards “a more holistic, methodical and scientific approach to conserving wall painting across the world—whether in an English cathedral or an Indian palace”.[6]