cript ▁of ▁the ▁Be h ist un ▁ins cription , ▁which ▁he ▁was ▁also ▁successful ▁in ▁de ci ph ering ▁and ▁interpre ting . ▁Having ▁collected ▁a ▁large ▁amount ▁of ▁in valu able ▁information ▁on ▁this ▁and ▁kind red ▁topics , ▁in ▁addition ▁to ▁much ▁ge ographical ▁knowledge ▁gained ▁in ▁the ▁pro sec ution ▁of ▁various ▁expl or ations ▁( including ▁vis its ▁with ▁Sir ▁Aust en ▁Henry ▁L ay ard ▁to ▁the ▁ru ins ▁of ▁N ine ve h ), ▁he ▁returned ▁to ▁England ▁on ▁leave ▁of ▁absence ▁in ▁ 1 8 4 9 . ▁ ▁He ▁was ▁elected ▁a ▁Fellow ▁of ▁the ▁Royal ▁Society ▁in ▁February ▁ 1 8 5 0 ▁on ▁account ▁of ▁being ▁" The ▁Disc over er ▁of ▁the ▁key ▁to ▁the ▁An cient ▁Pers ian , ▁Bab yl onian , ▁and ▁Ass y rian ▁In scri ptions ▁in ▁the ▁C une iform ▁character . ▁The ▁Author ▁of ▁various ▁papers ▁on ▁the ▁phil ology , ▁anti qu ities , ▁and ▁Geography ▁of ▁Mes op ot am ia ▁and ▁Central ▁Asia . ▁E min ent ▁as ▁a ▁Sch olar ". ▁ ▁Raw lin son ▁remained ▁at ▁home ▁for ▁two ▁years , ▁published ▁in ▁ 1 8 5 1 ▁his ▁mem oir ▁on ▁the ▁Be h ist un ▁ins cription , ▁and ▁was ▁promoted ▁to ▁the ▁rank ▁of ▁lieutenant - col onel . ▁He ▁dis posed ▁of ▁his ▁valuable ▁collection ▁of ▁Bab yl onian , ▁Sab ae an , ▁and ▁S ass an ian ▁anti qu ities ▁to ▁the ▁trust