 Only Number 5 was successful, the largest known 'wildcat' oil gusher, North of Qom (Iran) on 26 August 1956 (3,000 m deep, 80,000 tons oil/day).The gas got lighted up on 13 September, sometime later the well closed itself.From 1958 until 1977, he was professor of Geology at the University and the Swiss Federal Institute of Technology in Zurich, from where he carried out several researches in the Himalayas (Nepal, India and Bhutan).