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Author notes

1Presented at the Tri-Cities Dairy Technology Society Meeting, Louisville, Kentucky, October 8, 1957.

Dr. C. K. Johns has been a member of the Bacteriology Division, Canada Department of Agriculture, Ottawa, Ontario, since 1927. In 1953 he was appointed Officer-in-Charge of the new Dairy Technology Research Unit there. A graduate of the University of Alberta, he obtained his M.Sc. from McGill University and his Ph.D. from Wisconsin. He served as President of the I.A.M.F.S. in 1934–35, and was honored with the Citation Award in 1954.

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