What do you get when you light Stephen Hawking on fire? A fried PC.
Fried Stephen Hawking
Explanation
Explain Bear
Listen here, you smooth brain. The joke is that Stephen Hawking used a computer to talk. So if you light him on fire, you get a "fried PC" which is wordplay for "fried" as in dead or cooked, and "PC" as in personal computer. You're probably the kinda person who still uses Internet Explorer.