Mark K. Ehlert wrote: >Multiplication was his bugaboo. He was still going over multiplication >tables while on his deathbed with the help of little Gerhard von Breuning. >(Perhaps Joyce will correct me if I'm wrong here). I read the Beethoven issues with basic math in the Solomon biography. He seemed to specifically mention subtraction giving Beethoven a tough time. As for Mozart and LaTourettes Syndrome, I defer to Peter Davies book on Mozart's illnesses and mental health as a great resource. Kim [log in to unmask]