31 Arthur R. von Hippel, 105, German-born scientist and MIT professor who made critical contributions to the development of radar.
31 Bríd Durrane, 109, the oldest person to receive a university degree and write an autobiography (both at 103), last surviving person who knew the leaders of Ireland's 1916 Uprising personally [1]
31 Yoshio Shirai, 80, first Japanese world boxing champion