Yoko Ono Through The Years

Yoko Ono tours Alderhey Children's Hospital as a guest of the Imagine Appeal, May, 25 2007, in Liverpool, England. During her visit she launched the John Lennon Foundation For Child Health, which will promote pioneering research work under one umbrella organization and enable world wide information sharing. Yoko Ono is pictured wearing John Lennon's Quarrybank school tie. (Christopher Furlong/Getty Images)