His father was a pilot, and Markus longed to fly like his father did. His dream came true in Africa when he learned to pilot a small Cessna so that he could conduct aerial surveys. His grandfather took him for long walks in nature, where he taught Markus about plants and frogs, and encouraged him to learn more.

Young Markus Borner with His Grandfather
He soon got the chance. After graduating from the university in 1972, the World Wide Fund for Nature (WWF) offered him an opportunity to go to Indonesia to study the Sumatran rhino.
It was an exotic experience. He was in a new and wonderful world, where most of the area was uncharted. Sumatera was an adventure for him.

In Sumatra (1973)