Gustav Aschaffenburg [SEP] place of birth
Gustav Aschaffenburg
Gustav Aschaffenburg (May 23, 1866 – September 2, 1944) was a German psychiatrist born in Zweibrücken. 
In 1890 he received his medical doctorate from the University of Strasbourg with a thesis on delirium tremens. Later he worked as an assistant to Emil Kraepelin at the psychiatric university clinic in Heidelberg. He then practiced psychiatric medicine at the University of Halle and at the "Akademie für praktische Medizin" in Cologne (from 1919 the University of Cologne). 
In the 1930s Aschaffenburg's academic career at
Clanging
In psychology and psychiatry, clanging refers to a mode of speech characterized by association of words based upon sound rather than concepts. For example, this may include compulsive rhyming or alliteration without apparent logical connection between words. This is associated with the irregular thinking apparent in psychotic mental illnesses (e.g. mania and schizophrenia). Gustav Aschaffenburg found that manic individuals generated these "clang-associations" roughly 10-50 times more than non-manic individuals. Aschaffenburg also found that the frequency of these associations increased for all individuals