Working with Ralph Walter Graystone Wyckoff he helped develop a technique to take three-dimensional electron microscope images of bacteria using a "metal shadowing" technique. He also helped develop biophysical techniques such as freeze etching and particle-counting by the spray-drop technique.
Working with Ralph Walter Graystone Wyckoff, he developed techniques to capture 3D images of bacteria using a "metal shadowing" method.  He also contributed to the development of biophysical methods such as freeze etching and particle counting via the spray-drop technique.