In general, authors are indexed by last name then first name. When searching works BY an author you can limit your search to AUTHOR. For works about the person you search by SUBJECT (or if the subject limiter is not available, use keyword).
[Last Name of Person], [First Name of Person]
Examples:
Beauvoir, Simone De
Gandhi, Mahatma
Locke, John
Satre, Jean-Paul
Camus, Albert