▁at ▁Zur ich , ▁König s berg , ▁and ▁Heidel berg . ▁In ▁ 1 8 5 8 ▁he ▁was ▁appointed ▁professor ▁of ▁physics ▁and ▁director ▁of ▁the ▁observ atory ▁at ▁Bern . ▁In ▁ 1 8 6 8 ▁he ▁was ▁called ▁to ▁Saint ▁Petersburg , ▁where ▁he ▁completely ▁re organ ized ▁the ▁observ atory ▁and ▁established ▁a ▁meteor ological ▁system ▁throughout ▁the ▁Empire ▁and ▁founded ▁the ▁meteor ological ▁observ ator ies ▁at ▁Pav lov sk ▁and ▁Ir k ut sk . ▁Until ▁his ▁ret irement ▁in ▁ 1 8 9 5 ▁he ▁remained ▁in ▁the ▁service ▁of ▁the ▁Russian ▁government . ▁ ▁Alex ey ▁K ry lov , ▁who ▁became ▁the ▁director ▁of ▁the ▁Observ atory ▁in ▁ 1 9 1 6 , ▁studied ▁Wild ' s ▁archive ▁and ▁wrote ▁in ▁his ▁mem oir ▁about ▁Wild ' s ▁scientific ▁achiev ements , ▁management ▁style , ▁and ▁fr ict ions ▁with ▁the ▁pet ty ▁Russian ▁b ureau c racy . ▁ ▁" W ild ▁was ▁a ▁man ▁of ▁great ▁learning ▁and ▁extraordinary ▁industri ous ness . ▁He ▁left ▁an ▁enorm ous ▁quantity ▁of ▁computational ▁works ; ▁apparently , ▁he ▁wanted ▁to ▁derive ▁general ▁laws ▁from ▁the ▁massive ▁volume ▁of ▁observations . ▁He ▁subject ed ▁these ▁observations ▁to ▁harm onic ▁analysis ▁with ▁annual ▁and ▁daily ▁periods ▁for ▁a ▁given ▁location ▁and ▁attempted ▁to ▁apply ▁exp ans ions ▁in ▁spher ical ▁harm on ics ▁to ▁different ▁locations , ▁similar ▁to ▁what ▁G auss ▁did ▁in ▁relation ▁to ▁terrest rial ▁magnet ism . ▁He ▁built ▁original