Scientist Quotes and aphorisms about live Carl Sagan Carl Sagan Isaac Asimov Isaac Asimov Margaret Mead Neil deGrasse Tyson Neil deGrasse Tyson Neil deGrasse Tyson Neil deGrasse Tyson ,, When an industry matures, it means it's not advancing, and of course the jobs go overseas. That's t... Neil deGrasse Tyson