His sudden death came only a few months after being diagnosed with amyotrophic lateral sclerosis , later known as Lou Gehrig 's disease .
Franz died in Los Angeles on October 14 , 1933 .
Franz 's sudden death came only a few months after being diagnosed with amyotrophic lateral sclerosis , later known as Lou Gehrig 's disease .
Franz died in Los Angeles on October 14 , 1933 .