The Marx Brothers, as a group, were voted in at #62 on Entertainment Weekly’s “Greatest Movie Star of all time” list.
He invented a wrist watch that constantly monitored cardiac patients’ heart rate.
His second wife was Barbara Blakeley, who later married Frank Sinatra.
Zeppo was the youngest of five brothers.
At the time of his death, in 1979, Zeppo was the last surviving Marx Brother.
In 1977 The Marx Brothers were inducted into the Motion Picture Hall of Fame.
Zeppo had two sons, both adopted, Timothy and Bobby.