Menschen fuer Menschen, or People for People, said Boehm was airlifted to a hospital in Salzburg after sustaining serious injuries when the car he was riding in collided head-on Wednesday with another vehicle on a sharp corner in the southeast of the Horn of Africa country.
Boehm, 79, suffered serious bruises over his chest and back, the foundation said in a statement. It said German Chancellor Angela Merkel met briefly with Boehm at the airport in Addis Ababa, where she was on a tour of Africa.
Last month, Boehm won Italy's prestigious Balzan Prize for Humanity, Peace and Brotherhood for a lifetime of work helping impoverished Ethiopians and others. The prize is worth 2 million Swiss francs (about US$1.65 million, EUR1.2 million).
Boehm is known for his strident calls for debt forgiveness and for more trade with African nations to help their people escape abject poverty.
After WWII, the Soviet army left Austria, and the latter had always remained a neutral state and never joined NATO
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