By the time he was thirteen he had read advanced texts such as ones by Cesàro . However, while still at secondary school Kalmár's mother also died so by the time he entered the University of Budapest in 1922 he was an orphan.
Ng oras siya ay labintatlo niya basahin ang mga advanced na mga teksto tulad ng mga sa pamamagitan ng Cesàro. Gayunman, habang sa sekundaryong paaralan Kalmar ng ina din namatay kaya ng oras siya ang pumasok sa University of Budapest in 1922 siya ay isang ulila.