Dinshaw Dadachanji is the New World Encyclopedia area editor for Physical sciences. Dr. Dadachanji earned his M.S. degree from the Chemistry Department of the Indian Institute of Technology in Mumbai, India, followed by the M.Phil. and Ph.D. degrees from the Department of Molecular Biophysics and Biochemistry at Yale University in New Haven, Connecticut. He taught Chemistry and Biochemistry courses at several colleges in Connecticut. He worked for many years as a science editor for The World & I magazine in Washington, DC. From 2004, he has been working in a freelance capacity, editing and writing articles in science and technology, orienting his articles especially toward lay readers.