Background
Viegener, Johannes was born on January 21, 1939 in Haan, Germany.
Viegener, Johannes was born on January 21, 1939 in Haan, Germany.
Universities of Bonn and Paris. Spoken languages: German, French and English.
Worked at Schurmann & Partners. Admitted to the bar, 1971, Germany. 1986, France.