[6] Ljudevit completed high school in Varaždin, Zagreb and Karlovac, and he studied philosophy in Vienna and Graz (graduated in 1828) and law in Budapest (1829-1831).

Gaj followed the example of Pavao Ritter Vitezović and the Czech orthography, using one letter of the Latin script for each sound in the language.

In 1834, he succeeded where fifteen years before Đuro Matija Šporer had failed: he obtained an agreement from the royal government of the Habsburg monarchy to publish a Croatian daily newspaper.

This was because historians at the time hypothesised Illyrians had been Slavic and were the direct forefathers of the present-day South Slavs.

Gaj followed the example of Pavao Ritter Vitezović and the Czech orthography, making one letter of the Latin script for each sound in the language.

Following Vuk Karadžić's reform of Cyrillic in the early nineteenth century, Ljudevit Gaj in the 1830s performed the same operation on the Latin script, using the Czech system and producing a one-to-one symbol correlation between Cyrillic and Latin as applied to the Serbian or Croatian parallel system.