div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Indiana University Department of Biology The Sonneborn · PDF fileIndiana University Department of Biology The Sonneborn Lecture 1988 FRANKLIN W STAHL Professor of Biology Institute src=https:reader036vdocumentinreader036viewer20220815215ab3fe3b7f8b9a7c5b8b5890html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv