▁he ▁makes ▁an ▁art ▁exhibition ▁in ▁V arna , ▁which ▁in ▁fact ▁is ▁the ▁very ▁first ▁art ▁exhibition ▁with ▁fut ur istic ▁them at ics ▁in ▁Bulg aria . ▁He ▁is ▁a ▁notable ▁member ▁of ▁clubs ▁with ▁fant asy ▁and ▁fut ur istic ▁design ▁and ▁ideas . ▁Found er ▁of ▁the ▁club ▁" And rom eda ". ▁ ▁D ied ▁in ▁V arna , ▁ 1 9 9 2 . ▁ ▁Works ▁ ▁Author ▁of ▁more ▁than ▁ 4 0 0 ▁paint ings , ▁some ▁of ▁which ▁are ▁located ▁in ▁private ▁collection ▁of ▁people ▁in ▁England , ▁Germany ▁and ▁Belg ium . ▁P aint ings ▁of ▁Ste phan ▁Le fter ov ▁were ▁presented ▁at ▁EX PO ' 7 0 ▁in ▁Os aka ▁( J apan ) ▁and ▁on ▁the ▁third ▁" E v ro kon " ▁in ▁Poz na ń , ▁Poland . ▁He ▁explained ▁that ▁his ▁personal ▁favor ites ▁were ▁in ▁his ▁solo ▁exhib itions ▁in ▁the ▁years ▁of ▁ 1 9 7 0 , ▁ 1 9 7 2 ▁and ▁ 1 9 7 8 ▁in ▁V arna . ▁ ▁There ▁is ▁a ▁resident ▁gallery ▁of ▁Stefan ▁Le fter ov ▁in ▁the ▁planet arium ▁of ▁V arna ▁( found ▁in ▁the ▁sea ▁garden ). ▁More ▁of ▁his ▁works ▁can ▁be ▁found ▁in ▁the ▁planet arium ▁in ▁the ▁city ▁of ▁K ard zh ali . ▁A ▁large ▁number ▁of ▁his ▁paint ings ▁were ▁don ated ▁by ▁him ▁to ▁the ▁Techn ical ▁University ▁of ▁V arna ▁and ▁his ▁colle agues ▁during ▁his ▁years