The first person we know who gave an answer to this question was Philo the Jew (15/20 B.C. to 50 A.D.) in Questions and Answers on Genesis, 1 p.794, and Allegorical Interpretation, I 33 (105) p.46-37, where he mentions the death of the soul.
Mtu wa kwanza tunayemjua ambaye alitoa jibu kwa swali hili alikuwa Philo Myahudi (aliyeishi mwaka 15/20 KK hadi 50 BK) kwenye Questions and Answers on Genesis, 1 uk.794, na Allegorical Interpretation, I 33 (105) uk.46-37, ambapo anaelezea kufa kwa nafsi.