The concept of No-thing was confronted with the laws of logic, Thales posing the question: does thinking about nothing make it something? The answer, according to the Greek logician, is that there can only be nothing if there is no one to contemplate it. My question whether there could be nothing if there was no one to know there was nothing had apparently been answered in the affirmative 3,000 years earlier, though it seems to me to have been an axiomatic assertion rather than established by argument. My quest continued but it appeared that no one after Thales defined nothing other than as an absence of something