64
Erno was born in Budapest, Hungary on July 13, 1944. His father was a flight engineer and his mother was a poet. After graduating from university Erno became an architect. It was after this, while he was a college professor that his name became known worldwide. What does Erno have to do with the cache? Nothing really....well, not exactly.
4 this is yet another "easy" puzzle where the coordinates are right below. The degrees are North 38, West 96. The minutes however may take some calculating:
201508.334937883
4020.437477701
You can check your answers for this puzzle on GeoChecker.com.