H.M. Harshaw's Career and Research

Graduated from West High School in 1914. link

Graduated from University of Nebraska (doctorate) in 1929.  link. [Updated--this is wrong, graduate U. of Missouri around 1924 or so, taught at NE}
Co-author (4 others) of paper on feeding B-12 to calves at U of Minn, dated 1924.  See abstract.

Co-author (2 others) of paper on effects of heat and light on antiscorbutic vitamine, in 1921.  See paper.

Lead author of a 1941 paper on quality of frozen poultry as affected by various conditions.  See reference.

Other papers from a google search for "H.M.Harshaw", including a couple translated into German.

H. Mac Harshaw

Had a BS by 1921 at University of Minnesota:

Mac's Doctorate Thesis

Mac (Harold McCloskey Harshaw) got his doctorate from the University of Missouri with the thesis listed here by the National Research Council in 1925-6. (I'm not sure it was awarded in 1926, because the listing may cover degrees from 1920). The listing says its for nutrition requirements for mammals. [Updated to add a link to the listing and replace a scroll box with the last sentence.]