 Whether it can be regarded as part of the Hominina tree is unclear; there are arguments both supporting and rejecting it.. 
Stephen Cole Kléene (January 5, 1909, Hartford, Connecticut, United States – January 25, 1994, Madison, Wisconsin) je amomathiki ara Amerika to ṣèrànlọ́wọ́ lati Sefi fun sayensi oniweri oniríro.Awon Ọjọ́ìbí ni 1909awọn Ojo-Ife ni 1994–Àwọn Ará Amẹ́ríkà..