He attended high school in Gorizia, an important Slovene educational centre at the time; Ferfolja's school friends included historian Bogumil Vošnjak, economist Milko Brezigar, poet Alojz Gradnik, writer Ivan Pregelj, literary historian Avgust Žigon, and the prelate Luigi Fogar.
Rado Krošelj was a Slovene illustrator and graphic designer who won the Levstik Award in 1952 for his illustrations of the book of poems for children Barčica (The Little Boat) selected and translated by Alojz Gradnik.