In 1932 , he returned to Zagreb , where he organized a solo exhibition in the Salon Ulrich .
By 1931 , Gecan experienced the first symptoms of Parkinson 's disease , a tremor in his right hand that would become stronger , increasingly hindering his ability to paint .
In 1932 , Gecan returned to Zagreb , where Gecan organized a solo exhibition in the Salon Ulrich .
By 1931 , Gecan experienced the first symptoms of Parkinson 's disease , a tremor in his right hand that would become stronger , increasingly hindering his ability to paint .