Date: Tue, 13 Feb 1996 09:52:54 PST From: tom creswell Subject: Re: quantum leap Lynn. According to _Merriam-Webster's Collegiate Dictionary.Tenth Edition_, 1993. The earliest print occurrence recorded in their citation files of the use of _quantum_ to mean "large, significant" is 1942, considerably earlier than the TV show to which you refer. You might, of course, be right that the TV use accelerated the spread of its use in this sense Tom Creswell.