9 Genius Halloween Costumes For Science Nerds

5. Carl Sagan

The aesthetic elements of this costume are easily achievable, but don't even think about dressing up as the granddaddy of cosmology if you don't intend to blow people's minds with simple yet deeply moving observations about the universe and our place in it. No pressure.

So, all you need is a signature polo and corduroy jacket for this stylish and presumably sweltering ensemble.

You should also consider getting the voice nailed too, or you're really just a dude dressed like his maths teacher.