If you're not interested in how the lives of human beings create history, then please write about natural history (e.g., physics, chemistry, geology, zoology),

If you're not interested in how the lives of human beings create history, then please write about natural history (e.g., physics, chemistry, geology, zoology), not human history. Perl, as software, may instantiate a mathematical ideal, but a history of Perl must talk about its connection to a community of programmers, and Mr. Schwartz is most certainly a leading light of that community.