General’s Personal Envoy for the Western Sahara, died Saturday morning in Berlin after a short illness, surrounded by his family. He was 81.

Nigeria has expressed its sincere condolences to the government and people of Germany, and especially to family, friends, and political associates following the death of former President Horst Köhler.

Horst Köhler, who has died aged 81, was the first German to head the International Monetary Fund and the first non-politician ...