[1] Born in Zalaegerszeg, he competed for Hungary at the 1956 Summer Olympics held in Melbourne, Australia, where he won the silver medal in the men's 3000 m steeplechase.

After working in Vienna for 7 years, the family migrated to Sydney, Australia.

Rozsnyói lived for much of his life in Epping, NSW, with his wife and sons Alex and Les.

In 2007, he was awarded the International Fair Play Award for the sportsmanship he displayed when he chose not to challenge the outcome of his 1956 Olympic Steeplechase race.

This biographical article relating to Hungarian athletics is a stub.