Most of the maps simply spell Nexus so it's called Nexus, what's so hard to understand?
And then we have another Nexus, but by a different author. Six fairly small First Encounter maps here, five of which feature very similar layouts (the word "nexus" comes to mind... I mean, quite literally), differing mostly in details like the numbers of hostile Germans or density of other objects. The final map appears to spell a name instead, something along the lines of "JONN APG 2001", so if we assume this to be the author signature, this scenario was made in 2001 by...
===CREDITS===
Jonn APG (?)