Who Was That Lady?

Who Was That Lady?six great writers roast a grand old chestnutThe snappy exchange of dialog that goes Who was that lady I saw you with last night? -- That was no lady that was my wife is a capsule classic of concise and cutting wit that must have split many a discriminating rib when it was freshly minted. Nobody seems to know when that was, nor does anybody seem to know whose teeming skull spawned the gem, but it's worthy of the finest talents of this or any epoch. Like, for instance ...William...