leRazz SA

At this stage of game development, perhaps restrict the initial kerbanauts available to the first three "pioneers" (Jeb, Bill and Bob) and as your space agency develops and you increase your city, you atract more and more aspiring applicants, as incentive for bigger missions, etc. Either way, I'm looking forward to seeing this add-on happen, so best of luck!

The Copernicus, my first "soon to be" manned interplanetary vessel