▁returned ▁to ▁Saint ▁Petersburg ▁State ▁University ▁and ▁worked ▁in ▁branch ▁of ▁USS R ▁Science ▁Academy . ▁ ▁In ▁ 1 9 3 4 ▁on ▁Ale k sey ▁K ry lov ▁recommendation ▁Rub en ▁Or b eli ▁was ▁invited ▁into ▁the ▁E PR ON , ▁while ▁he ▁took ▁up ▁a ▁post ▁of ▁consult ant ▁and ▁historian . ▁From ▁this ▁time ▁Armen ian ▁scient ist ▁was ▁studying ▁arch ae ological ▁under water ▁monuments . ▁Begin ning ▁from ▁ 1 9 3 7 ▁to ▁ 1 9 3 9 ▁he ▁organized ▁a ▁series ▁of ▁under water ▁ar che ology ▁exped itions ▁to ▁the ▁Black ▁Sea ▁and ▁other ▁water ▁bas ins . ▁The ▁during ▁his ▁science ▁activities ▁professor ▁Or b eli ▁created ▁a ▁method ▁of ▁keeping ▁monuments ▁that ▁were ▁ris en ▁out ▁of ▁water . ▁He ▁also ▁introduced ▁the ▁term ▁of ▁under water ▁arch ae ology ▁in ▁science ▁ ▁Rub en ▁Or b eli ▁died ▁on ▁ 9 ▁May ▁ 1 9 4 3 . ▁He ▁was ▁buried ▁in ▁an ▁Armen ian ▁c emetery ▁in ▁Moscow . ▁ ▁See ▁also ▁▁ ▁Or b eli ▁family ▁ ▁References ▁ ▁Rub en ▁Category : 1 8 8 0 ▁birth s ▁Category : 1 9 4 3 ▁death s ▁Category : S ov iet ▁arch ae olog ists ▁Category : Saint ▁Petersburg ▁State ▁University ▁al umn i ▁Category : Pe ople ▁from ▁N akh ch ivan ▁Category : Ar men ian ▁arch ae olog ists <0x0A> </s> ▁Juan ▁M á ximo ▁Reyn oso ▁Gu zm án ▁( born ▁December ▁