上海外国语大学
In the 1960s, Loetscher worked as a reporter in Latin America with his primary focuses being Cuba and Brazil. Later, he also traveled through Southeast Asia. He was writer in residence in 1979/80 at the University of Southern California in Los Angeles. In 1981/82 he was the first holder of the Swiss Chair at the City University of New York. He was guest lecturer at several universities, e.g. in 1988 at the University of Munich in 1999 at the Universidade do Porto and 2008 at the Shanghai International Studies University and the University of California at Berkeley. Loetscher died aged 79 in Zürich.