His high school studies concluded in Slovakia, and he continued at the Charles University in Prague at the age of 18.
One of Tomin's four sons, also named Julius, participated in the struggle against Communism as part of the renowned opposition group Charter 77.
In Krupina, Tomin taught Interlingua for many years to help his students understand the international words in their own language.
His first article on Interlingua was published in the Slovak magazine Príroda a spoločnosť (Nature and Society) in 1971.
"[2]He continued his work, writing articles for publication and securing a presentation on Bratislavan radio.
At a conference in Prague, Tomin described further persecution in the Soviet-occupied country: "The Esperantists – one of them made me aware [of this] – were spying, to see if I was selling publications[3] to accuse me to our political organs.