oh my fuck. is his goofy jump supposed to be another x?

Thats Rafinex to you good sir

Can't find anything on him and the letter X:

https://en.wikipedia.org/wiki/Constantine_Samuel_Rafinesque

Seems infinitely more likeable then the fascist, though ... On the other hand that's not hard to achieve at all.

Because CSR was a mathematician, and in algebra, equations typically have x as the variable of interest. Thats the connection here? Why

How is this meme about science?

I'm not sure if I get it, but here's his wiki:

https://en.m.wikipedia.org/wiki/Constantine_Samuel_Rafinesque