 Nyorai kupfuurira kweiyi ndima - Kofler akaberekwa nevabereki vechiJudha musi wa 26 April 1907 muChotymyr, Galicia, Austria-Hungary zvino Ivano-Frankivsk Raion, Ivano-Frankivsk Oblast, Ukraine. Hondo Yenyika I muna 191516 yakamanikidza mhuri yake kutizira kuVienna, uko Leo akapinda chikoro chebhizimisi, kusvikira muna 1927. Basa rake rokushanda rakapfupikiswa nekudonha kwemusika wemasheya muna 1929, uye akava chipangamazano wechikoro chedzidzo chezvematongerwe enyika muVienna, achijoinha kuruboshwe rweSocial-democratic Labor Party SDAP. Kubva muna 1933 kusvika muna 1934, akazvipira kutsvakurudza naMax Adler. Muna July 1938, pashure pokunge Austria yapambwa neNazi Germany, akatizira kuBasel, Switzerland kwaakaiswa mumusasa wevapoteri. Vakawanda vomumhuri yake vakafa muHolocaust, uye vabereki vake vakapfurwa muna 1942. Kunyange zvakadaro, akapfuurira nezvidzidzo zvake zvokufungidzira, achinyanyotapurwa nemanyoro aGeorg Lukács. Muna 1944 akabudisa bhuku rake rokutanga pasi pezita rokuti Stanislaw Warynski. 