Complex sentence: Alzheimer was the co-founder and co-publisher of the journal "Zeitschrift für die gesamte Neurologie und Psychiatrie", though he never wrote a book that he could call his own.
Split into simpler sentences: Alzheimer was the co-founder and co-publisher of the journal "Zeitschrift für die gesamte Neurologie und Psychiatrie". He never wrote a book that he could call his own.