Lie died on December 30, 1968 of a heart attack. He was 72 years old.= = = Nuclear force = = =
l aɪ WORD_BOUNDARY d aɪ d WORD_BOUNDARY ɔ n WORD_BOUNDARY d ɪ s ɛ m b ə ɹ WORD_BOUNDARY θ ɜː t i WORD_BOUNDARY n aɪ n t iː n h ʌ n d ɹ ɪ d WORD_BOUNDARY s ɪ k s t i WORD_BOUNDARY eɪ t WORD_BOUNDARY ə v ə WORD_BOUNDARY h ɑ ɹ t WORD_BOUNDARY ʌ t æ k WORD_BOUNDARY h iː WORD_BOUNDARY w ʌ z WORD_BOUNDARY s ɛ v ə n t i WORD_BOUNDARY t uː WORD_BOUNDARY j ɪ ɹ z WORD_BOUNDARY oʊ l d WORD_BOUNDARY iː k w ə l z WORD_BOUNDARY iː k w ə l z WORD_BOUNDARY iː k w ə l z WORD_BOUNDARY n uː k l ɪ ɹ WORD_BOUNDARY f ɔ ɹ s WORD_BOUNDARY iː k w ə l z WORD_BOUNDARY iː k w ə l z WORD_BOUNDARY iː k w ə l z WORD_BOUNDARY