February 1936 Issue [Article] Machines which imitate life Download PDF Adjust Share Lindbergh's pump and other biological models by George W. (George William) Gray, This article is only available as a PDF to subscribers. Download PDF Tags 20th century Biochemistry Heart, Mechanical Life (Biology) Protoplasm Research United States Valonia (Algae) More from George W. (George William) Gray Which scientists win Nobel prizes? New discoveries about the cosmos Stars forming, burning, and dying (part II) New discoveries about the birth, life, and death of the sun and other stars This hydrogen universe (part I) Adjust Share