Related Clues:

• Casey Jones, for one (Abbr.)
• Many a tech. sch. grad
• MIT grad, often
• MIT grad, likely
• Dilbert, for one: Abbr.
• NASA employee
• Many a NASA employee: Abbr.
• Bldg. planner
• Hwy. dept. employee
• An MIT grad, perhaps
• One working on the RR
• G.E. employee
• Boeing worker: Abbr.
• Caltech researcher, perhaps
• R.P.I. grad, perhaps