This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
Treponema pallidum was discovered by ? 
Select and explain. 
A. Robe Koch, B. Two, C. Schaudinn and Hoffman, D. Ellerman
C: Schaudinn and Hoffman
Answer: C: Schaudinn and Hoffman 
Explanation: Ans. is 'c' i.e., Schaudinn and Hoffman Bacteria Discovered by Lepra bacillus (M. Leprae) Hansen (1874) Gonococcus Neisser (1879) Staphylococcus Ogston (1881) Diphtheria bacillus (C. Diphtheria) Loeffler (1884) Tetanus bacillus (C. Tetani) Nicolaier (1884) Pneumococcus Fraenkel (1886) Causative organism for Malta fever (Brucella) Bruce (1887) Spirochete of syphilis (T pallidum) Schaudinn and Hoffmann (1905)