Theobald Smith
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Theobald_Smith.jpg
Theobald Smith
Theobald_Smith.jpg
Theobald Smith
Theobald Smith (July 31, 1859 - December 10, 1934) was an American pathologist. He made several important discoveries in the fields of bacteriology, immunology and parasitology. He was the first to prove that an infectious disease could be transmitted by an arthropod.