/ˈaɪnstaɪn/ EYEN-styne [ˈalbɛʁt ˈʔaɪnʃtaɪn] theoretical physicist
Albert Einstein (/ˈaɪnstaɪn/ EYEN-styne; German: [ˈalbɛʁt ˈʔaɪnʃtaɪn] (listen); 14 March 1879 – 18 April 1955) was a German-born theoretical physicist, widely held to be one of the greatest and most influential scientists of all time.