BACKGROUND AND BEGINNINGS
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Figure 13.—Lt. Col. Joseph J. Woodward, MC, who pioneered in America in the use of aniline dyes for staining microscope slides and in photomicrography "using the highest powers."
of Investigating the Histology of the Human Intestine and Remarks on Some of the Points To Be Observed in the Study of the Diseased Intestine in Camp Fevers and Diarrheas."
From the title of Dr. Woodward's paper and its opening statement that "the use of these colors for the purpose of staining certain parts of tissues and thus rendering them more visible appears to be unknown in this country and, so far as I can learn from the journals accessible to me, is imperfectly understood abroad," it appears that, working independently in the Army Medical Museum,
