What Groucho Knew – The Key to Good Relationships According to Groucho Marx Groucho Marx was, I believe, a comic genius; a linguistic virtuoso, offbeat, wacky and insanely funny. He was also rude, abrasive and these days he'd qualify as verbally abusive. In film after film Margaret Dumont was on the receiving end of his scathing humour http://tetv1.com