Harry Luman Russell (March 12, 1866 – April 11, 1954) was an American bacteriologist and educator.Born in the village of Poynette, Wisconsin,[1] the son of country doctor[2] E. Fred Russell and his wife Lucinda E. Waldron,[3] he attended Poynette High School before matriculating to the University of Wisconsin in 1884.[2] Following his graduation with a B.S in 1888, he undertook graduate studies in Biology and received his M.S. in 1890. He went to Europe for further study under Robert Koch and Louis Pasteur; first at the University of Berlin, then at the Zoological Station in Naples, and finally at the Pasteur Institute in Paris.[4] Returning to the U.S., he attended Johns Hopkins University, where he was awarded a Ph.D. in 1892 with a thesis titled Bacteria in their Relation to Vegetable Tissu Less