McCartney Times

Known as the second wife of the Beatles’ own John Lennon, Yoko Ono was a known activist, too. And because of her activism, she was awarded three honorary doctorate degrees. The most recent one was her honorary doctorate from Pratt Institute. During the 125th commencement in 2014, Yoko attended the event at Radio City Music Hall. Business Insider has it that she also holds two more honorary doctorates from the University of Liverpool and Bard College. She continues to support University of Liverpool in memory of her late husband.

Source: Yoko Ono Singing Isn’t The Only Big Thing About Her: Artist Has An Honorary Degree : Career : University Herald