Several uniformed men in a line shoulder to shoulder, facing three large tripods, with another man standing opposite to them. Tents and buildings visible in the background.
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....