In Prague Loewner's research supervisor was Georg Pick who was himself a student of Leo Königsberger . Loewner worked on geometric function theory for his doctorate and after submitting his thesis he received a Ph.D. in 1917.
Sa Prague Loewner's research superbisor ay Georg Pumili na siya mismo ay isang mag-aaral ng Leo Königsberger. Loewner nagtrabaho sa geometriko function teorya para sa kanyang mga titulo ng doktor at pagkatapos ng pagsusumite ng kanyang sanaysay niya na natanggap ng isang Ph.D. sa 1917.