Groucho Marx is the only actor I ever allowed to ad-lib in a show I wrote. That was because I couldn't stop him.

Groucho appeals on so many levels at once that you could go nuts trying to figure out whether it's the funny movement, the incomparable tone of voice, what he …

George Kaufman and I wrote a lot of funny lines for Groucho, some of which he occasionally used... but it was Groucho who by his innate sense of timing and his…

Some years back, after a childhood of preocupation with comedy that led me to observing the styles of all the great comedians, I came to the conclusion that Gr…

When you're trying to find that line between are you doing comedy, are you doing drama, what are you doing, Martin, for me, anchors it very often, because he a…

The good thing about reinventing the wheel is that you can get a round one.

Never look at the Trombones, you'll only encourage them.