I believe the traditional human to use here would be Charles Darwin, as @Scientist said.
There’s also an argument for using Carl Linnaeus, as he is the type specimen for Homo sapiens sapiens- in other words, the official taxonomic definition of “human” is “an organism of the same species as Carl Linnaeus”. On the other hand, there are no photos of him as he died several decades before photography was invented.
More humorously, this guy is currently the Primate of All England:
