Original: Tibor Sekelj (in Hungarian: Székely Tibor) (14 February 1912 - 23 September 1988) was an explorer, esperantist, writer and lawyer of Jewish descent.
Simplified: Tibor Sekelj (in Hungarian: Székely Tibor) (14 February 1912 - 23 September 1988) was an explorer, writer and lawyer.