Nyora kupfuurira kweiyi ndima - Akazvarwa muUzunu, Giurgiu County, vabereki vake vaive Anghel Cartojan naMaria ("née" Petrescu). Akapedza kudzidza paBucharest's Saint Sava National College muna 1902. Ipapo akanyoresa muchikoro chemabhuku uye uzivi cheYunivhesiti yeBucharest, uko Ioan Bianu aive mumwe wevadzidzisi vake, uye akapedza kudzidza muna 1906. Pakutanga, akatanga kufarira mabhuku ekare echiRomania uye kutsvakurudza zvinyorwa zveRomania Academy Library, kwaakashanda kubva muna 1906 kusvika muna 1912. Panguva imwe cheteyo, akanga ari mubetseri wokudzidzisa. Kubva muna 1912 kusvika muna 1914, Cartojan akapinda zvidzidzo zvepamusoro paFriedrich Wilhelm University muBerlin. Paakadzokera kuBucharest, akagadzwa kuva mukuru mukuru weIoan Maiorescu Gymnasium. Akaroora Sevastia Condeescu pana April 14, 1916. Pashure pokunge Romania yapinda muHondo Yenyika I uye Masimba Epakati apinda muBucharest
muna December 1916, nzvimbo yokuitira maekisesaizi yakashandurwa kuva musasa wevasungwa vehondo vokuRomania nevokuRussia. Cartojan akaenderera mberi achidzidzisa kwechinguva paMatei Basarab naGheorghe Lazăr zvikoro zvepamusoro; mushure mekusungwa kwenguva pfupi nemauto anogara, akakwanisa kuvhurazve dzimba dzekurovedza muviri muGiurgiu.