One of America's foremost engineering scientists, Ronald Probstein is Ford Professor of Engineering, Emeritus at the Massachusetts Institute of Technology. His undergraduate training was at New York University's night school and his graduate work in aeronautical engineering and physics at Princeton. He has played a principal role in some of the most important scientific and technical achievements in the post World War II era, involving spacecraft and ballistic missile reentry physics, hypersonic flight theory, comet astrophysics, desalination, synthetic fuels, and the electrokinetic remediation of soil. For these achievements, he has been honored as a member of the National Academy of Sciences, National Academy of Engineering, American Academy of Arts and Sciences, International Academy of Astronautics, and awarded an honorary doctorate from Brown University. Author, editor, lecturer, inventor, Professor Probstein has ten critically acclaimed scientific and technical books to his credit. Born in New York City in 1928, he lives in Brookline, Massachusetts with his wife, Irène. He has one son, Sidney, and three grandchildren.