An haifi Milnor ne a ranar 20 ga Fabrairu, 1931 a Orange, New Jersey. Mahaifinsa J. Willard Milnor ne kuma mahaifiyarsa Emily Cox Milnor. A matsayin dalibi a Jami'ar Princeton an kira shi Putnam Fellow a 1949 da 1950 kuma ya tabbatar da ka'idar Fary <unk> Milnor. Ya ci gaba da karatun digiri a Princeton a karkashin jagorancin Ralph Fox kuma ya gabatar da takardarsa, mai suna "Isotopy of Links", wanda ya shafi kungiyoyin haɗin gwiwa (wani nau'i na rukuni na rukuni na gargajiya) da kuma haɗin haɗin haɗin haɗi, a 1954. Bayan kammala karatunsa ya ci gaba da aiki a Princeton. Ya kasance farfesa a Cibiyar Nazarin Ci gaba daga 1970 zuwa 1990. Tambaya: A ina aka haifi Milnor?
Orange, New Jersey