I took a class from Gasarch in the 80's at UMD. He's a freaky smart guy!

I swear to God (and have said before [1]): He wore a t-shirt that said:

"P=NP? I don't know, and I don't care!"

How times have changed!

[1] HN discussion:

https://news.ycombinator.com/item?id=13315382

of Scott Aaronson's article "My 116-page survey article on P vs. NP: better late than never":

https://www.scottaaronson.com/blog/?p=3095

Also:

P vs. NP and the Computational Complexity Zoo

https://www.youtube.com/watch?v=YX40hbAHx3s