Professor of zoology, Dr. John Earl Guberlet (1887-1940) earned his master's and doctoral degrees at the University of Illinois where he studied with biologist J.S. Kingsley. In 1923, he came to the University of Washington, and the next year, he joined the staff of the Puget Sound Biological Station. He worked at the Oceanographic Laboratories at Friday Harbor from 1930 until his death.
The M.V. Catalyst was the University of Washington's first oceanographic research vessel. It was used by the Oceanographic Labs for data collection from 1932 to 1942.