Respected All, Please let me know if anybody has got old issues of Scientific American of year 1953 which contains following article Ervin Schrodinger : What is matter? Scientific American 189(1953) 52-57 Regards D.N.Phadke,Ph.D. Asst.Librarian(S.G.) Reference & Pamphlet Section Central Library,I.I.T.Bombay IIT Powai,Mumbai 400076 Phone:Office 022-25768922 Mobile 09869786186 Res. 0251 2472983/6536083 E-Mail:phadke@iitb.ac.in -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.