Original: He was Chancellor of Germany from 1982 to 1998 ( of West Germany between 1982 and 1990 and of a reunited Germany between 1990 and 1998 ) and the chairman of the Christian Democratic Union ( CDU ) from 1973 to 1998 .
Simplified: Dr. Helmut Josef Michael Kohl ( born April 3 , 1930 in Ludwigshafen am Rhein ) is a German CDU politician .