Sudhoff and Welch facing each other, with a pillar and a stone wall in the background, Sudhoff is holding a drinking glass. Text: "Prof. Karl Sudhoff and Dr. William H. Welch at a convention in Bad Homburg, Germany, in 1927. Courtesy of Dr. Arnold C....
Photograph of William H. Welch. Note on verso indicates that photograph was taken by W. G. McCallum. Presentation inscription: “With grandfatherly regards to Dr. Forbus, William H. Welch.”