contributed in a variety of important ways to his field including:

* Chief Scientist for Arctic T3, Fletcher's Ice Island, 1952-1955
* Established the United States Geological Headquarters for the International Geophysical Year, 1955
* Deputy Leader of United States science during the International Geophysical Year, 1957
* Leader of the U.S. seismic traverse of Ross Ice Shelf, 1957-1958
* Leader, geophysical traverse