While teaching my C# students about passing command-line parameters to console applications, I remember a favorite command line utility of mine from days gone past. More importantly, I remember meeting the man who invented this popular compression utility. His name was Phil Katz and I had the opportunity to meet this cultural icon at ComDex in 1991.
Sadly though, he died at a young age of 37. You can read the story here.
By the way, he invented PKZIP, if you ever heard of it.