div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: MIT Mathematicsmathmitedunewsspotlightdocuments2015_04_01_putnampdfHugh Montgomery Chair University of Michigan Ann Arbor Henry Cohen Microsoft and Massachusetts Institute src=https:reader033fdocumentsinreader033viewer202205312160a5bc9cf154b35c536bf0c1html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: MIT Mathematicsmathmitedunewsspotlightdocuments2015_04_01_putnampdfHugh Montgomery Chair University of Michigan Ann Arbor Henry Cohen Microsoft and Massachusetts Institute src=https:reader033fdocumentsinreader033viewer202205312160a5bc9cf154b35c536bf0c1html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdiv