John P. Wallace attended Columbia University and worked in the labs of Polykarp Kusch. He wrote theses for Martin Gutzwiller and John K. Tien. Now at Casting Analysis Corp. he develops and manufactures instruments used for the monitoring and control of crystal growth processes, metal defect detection and instruments for monitoring hydrogen in metals. Ganapati R. Myneni graduated from the Indian Institute of Technology in Madras, India. His PhD thesis work was carried out at the Fritz Haber Institute of the Max Planck Society in Berlin. He represents several scientific organizations and univers...