Word: blackhead
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Dates: during 1920-1920
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...first to recognize that there were distinct differences between the bovine and human tubercle bacilli, and contributed to our knowledge of hog cholera, anaphylaxis, contagious abortion of cattle and streptococcic sore throat. He discovered several new parasites of the lower animals, one of them the micro-organism of blackhead in turkeys, a disease of large economic importance. This discovery will help reduce the cost of Thanksgiving dinners. He has devised many laboratory procedures; one of these, the fermentation tube, is universally used by bacteriologists for the study of gas formation by bacteria...