alt Hacker NewsBoth Fortran and COBOL will be here long after many of the current languages have disappeared. They are unique to their domains viz. Fortran for Scientific Computing and COBOL for Business Data Processing with a huge amount of installed code-base much of it for critical systems.
Don't know about COBOL, but FORTRAN and Ada definitely would survive an Extinction Level Event on earth.
Plenty of space based stuff running Ada and maybe some FORTRAN.