By J. S. Ember
She cross-references “Gillette” in the Who Is Who section. The PDF provides his birthplace, patent year (1904), and a terse line: “Democratized shaving; amassed fortune; utopian socialist writings.”
When you open a 1975 PDF, you exist in 1975’s knowledge. You do not know who the Prime Minister of Japan will be in 2026. You do not know that Pluto will be demoted. This is not ignorance; it is .
Maya needs to identify a minor character in a 1923 novel who mentions “the fellow who invented the safety razor.” She opens her Who Is Who and What Is What PDF (1930 edition, scanned from the Boston Athenaeum).