div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Columbia Universityjeh1DocumentsVanAllen1989Letter · 2020 9 15 · my graduate studies at Iowa I believe that I had to make a written or oral proposition to the committee src=https:reader036vdocumentinreader036viewer2022071413610bba787da284009e42f40ehtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: Columbia Universityjeh1DocumentsVanAllen1989Letter · 2020 9 15 · my graduate studies at Iowa I believe that I had to make a written or oral proposition to the committee src=https:reader036vdocumentinreader036viewer2022071413610bba787da284009e42f40ehtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: Columbia Universityjeh1DocumentsVanAllen1989Letter · 2020 9 15 · my graduate studies at Iowa I believe that I had to make a written or oral proposition to the committee src=https:reader036vdocumentinreader036viewer2022071413610bba787da284009e42f40ehtml5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdiv