Medal awarded for biological chemistry by the Eli Lilly & Co. (and through the American Chemical Society). Recto: male chemist in laboratory looking into a microscope. Verso: Male seated under a tree, studying the frog in his outstretched hand. …
Personal letter from Christian Petersen friend, engraver George Nerney (Massachusetts), describing his responses to Hello Beautiful, a printed booklet Petersen created for his daughter Mary Charlotte Petersen.