This author has not been identified. Look up 'Raluca Ada Popa' in GoogleThis author has not been identified. Look up 'Emily Stark' in GoogleThis author has not been identified. Look up 'Jonas Helfer' in GoogleThis author has not been identified. Look up 'Steven Valdez' in GoogleThis author has not been identified. Look up 'Nickolai Zeldovich' in GoogleThis author has not been identified. Look up 'M. Frans Kaashoek' in GoogleThis author has not been identified. Look up 'Hari Balakrishnan' in Google