Dmitri Mandelyiv
Dmitri Ivanovitch Mandelyiv (s trusit : Дмитрий Иванович Менделеев) d amusnaw n tekrura n Rusya. Ilul deg wass n 8 furar 1834 di temdint n Tobolsk, yemmut deg wass n 2 yennayer 1907 di Saint-Pétersbourg.
Yettwassen ugar ɣef umahil-is deg usmal awalan iferdsen, i yesseẓreg deg useggas n 1869 ; qqaren-as dɣa Tafelwit n Mandelyiv. Yenna-d imir yakan belli iferdisen ikimanen akk zemren ad ttureqqɛen almend n yiwen n webrid ara ɣ-yeǧǧen ad nissin taɣara n yal yiwen deg-sen, ɣas zeddiɣ (ur ɛad) ur t-id-ufin. Yerna syin ɣer da, s tidet, uɣlen ttafen-ten-id kra kra, ggaren-ten deg umkan-nsen yettuheyyan deg tfelwit-a.