as an assistant oceanographer (1950-51), chemist (1952-53), 

 research chemist (1953-55), and senior engineering oceanographer 

 (1955-58). In 1958, Mr. Jennings joined the Office of Naval 

 Research in his present capacity. 



He is a member of the American Association for the Advance- 

 ment of Science and the American Geophysical Union. 



His primary interests lie in physical oceanography, nuclear 

 and atomic instrumentation, and chemical engineering. 



DR. J. LAURENCE McHUGH, Chief, Division of Biological 

 Research, Bureau of Commercial Fisheries, Washington Z5, D. C. 



Dr. McHugh was born in Vancouver, British Columbia, 

 Canada, on November Z4, 1911. He received his B.A. in 1936 

 and his M.A. in 1938, both at the University of British Columbia. 

 In 1950 he received his Ph. D. (zoology) from the University of 

 California. 



From 1938 to 1948 Dr. McHugh was a member of the staff 

 of the Pacific Biological Station of the Fisheries Research Board of 

 Canada, Nanaimo, British Columbia. From 1941-46 he served 

 as an infantry officer in the Canadian Army in England and in 

 France. From 1946-51 he was a member of the staff of the 

 Scripps Institution of Oceanography at La Jolla, California. From 

 1951-59 he was Director of the Virginia Fisheries Laboratory 

 at Gloucester Point, Virginia. He joined the Bureau of Commer- 

 cial Fisheries, Fish and Wildlife Service, U. S. Department 

 of the Interior, as Chief, Division of Biological Research, in 

 January 1959. In 1961 he was appointed United States Commi- 

 sioner of the Inter -American Tropical Tuna Commission. 



His professional societies are: The American Fisheries 

 Society, the American Society of Limnology and Oceanography, 

 the American Association for the Advancement of Science, the 

 International Oceanographic Foundation (Trustee), the American 

 Institute of Fishery Research Biologists, Atlantic ^^stuarine 

 Research Society (Past President), and Sigma Xi. 



Dr. McHugh is the author of some fifty publications on fish- 

 ery biology, ichthyology, and biological oceanography. 



DONALD L. McKERNAN, Director, U. S. Bureau of Commer- 

 cial Fisheries, Washington Z5, D. C. 



Born in Eugene, Oregon, on January 29, 1918, Mr. McKernan 

 received his B.S. in fisheries in 1940 from the University of 

 Washington (Seattle). 



From 1938-41 he served as laboratory assistant for the 

 Bureau of Fisheries and from there went to the Washington 



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