Reviews Ordering Life: Karl Jordan and the Naturalist Tradition by Kristin Johnson Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Science News October 5, 2012 at 12:12 pm Karl Jordan’s innovative methods of classifying insect species are highlighted in this biography of the early 20th century entomologist. Johns Hopkins Univ., 2012, 376 p., $39.95