The OSU Catalog is the definitive reference for all curriculum questions. No, the English major does not require a minor, although many English majors do opt for one. A minor is especially handy if used with a specific career option in mind. For example, one of our majors has a minor in Agricultural Science, with a goal of writing and editing agricultural publications. Many choose business, science, or others as a complement.
People change jobs two, three, or more times over a lifetime.
A person's cutting-edge technical skills today may be unneeded tomorrow. The ability to think clearly and share knowledge is unlikely to become obsolete any time soon. Of course, students fulfill their major departments' requirements. So, for an English major there are three separate lists of requirements that must be satisfied. Additionally, a student who chooses a minor or a double major must complete that coursework.