Simplify the following text for a Grade 11 native English-speaking person.
Original: Karl Heinrich LÃ 1\/4 bke ( 14 October 1894 , Enkhausen , Westphalia â `` 6 April 1972 ) was President of the Federal Republic of Germany ( West Germany ) from 1959 to 1969 .
Simplified: Heinrich LÃ 1\/4 bke ( October 14 , 1894 â `` April 6 , 1972 ) was the second president of the Federal Republic of West Germany , from 1959 to 1969 .