ks ▁of ▁Oregon ▁Category : L akes ▁of ▁Mar ion ▁County , ▁Oregon ▁Category : L akes ▁of ▁L inn ▁County , ▁Oregon ▁Category : P arks ▁in ▁Mar ion ▁County , ▁Oregon ▁Category : P arks ▁in ▁L inn ▁County , ▁Oregon ▁Category : Build ings ▁and ▁structures ▁in ▁Mar ion ▁County , ▁Oregon ▁Category : Build ings ▁and ▁structures ▁in ▁L inn ▁County , ▁Oregon ▁Category : Will am ette ▁National ▁Forest <0x0A> </s> ▁Aleks andr ▁Y akov lev ich ▁Or lov ▁( 6 ▁April ▁ 1 8 8 0 , ▁Sm ol ensk ▁– ▁ 2 8 ▁January ▁ 1 9 5 4 , ▁K iev ) ▁was ▁a ▁Russian ▁astronom er ▁and ▁pione er ▁of ▁ge od ynam ics . ▁ ▁Or lov ▁studied ▁at ▁Saint ▁Petersburg ▁University , ▁gradu ating ▁with ▁distinction ▁in ▁ 1 9 0 2 . ▁He ▁subsequently ▁developed ▁his ▁scientific ▁background ▁through ▁study ▁at ▁the ▁University ▁of ▁Sor bon ne , ▁Paris , ▁at ▁University ▁of ▁Lund ▁under ▁Carl ▁Char lier ▁then ▁at ▁the ▁University ▁of ▁Gött ingen ▁under ▁with ▁Johann ▁Emil ▁Wie ch ert . ▁ ▁He ▁contributed ▁the ▁ess ay ▁“ A stronom ic ▁U top ias ” ▁to ▁the ▁ 1 9 2 8 ▁book ▁Life ▁and ▁Technology ▁of ▁the ▁Future ▁ ▁in ▁which ▁he ▁discussed ▁the ▁possibility ▁of ▁sett ling ▁on ▁Mars ▁and ▁the ▁Moon . ▁ ▁Or lov ▁played ▁a ▁major ▁role ▁in ▁the ▁creation ▁of ▁the ▁Main ▁Astronom ical ▁Observ atory ▁of ▁the ▁National ▁Academy ▁of ▁Sciences ▁of