Original: As federal minister of economic cooperation and development ( 1961-1966 ) , he brought about the downfall of the Erhard government in late 1966 , when he took the Free Democratic Party , which he led , out of the coalition government .
Simplified: He was federal minister of economic cooperation and development ( 1961-1966 ) , but he persuaded the FDP to leave Ludwig Erhard 's coalition government in late 1966 .