This updated second edition of Notable Twentieth-Century Scientists provides biographies of approximately 1,600 scientist in the natural, physical, and applied sciences, including astronomy, biology, botany, chemistry, earth science, mathematics, medicine, physics, technology, zoology, computer science, ecology, engineering, and environmental science. Entries highlight name, birth/death dates, nationality, and primary specialization; run from 400- 2500 words; list publications; and feature a section of further reading. All five volumes of the set begin with a list of entries and a chronology of major advances, and volume five ends with several indexes based on the scientist's specialization, gender, nationality/ethnicity, and subject. Over 400 scientists garner photographs. Diversity and internationalism are hallmarks of the set. Suitable for high school and college. Annotation c. Book News, Inc., Portland, OR (booknews.com)